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Asymmetric Unit (Jmol Viewer)

Asym. Unit - sites (Jmol Viewer)

Biological Unit 1 (Jmol Viewer)

Biol. Unit 1 - sites (Jmol Viewer)

Biological Unit 2 (Jmol Viewer)

Biological Unit 3 (Jmol Viewer)

Biological Unit 4 (Jmol Viewer)

Biological Unit 5 (Jmol Viewer)

Biological Unit 6 (Jmol Viewer)

Title :   CRYSTAL STRUCTURE OF THE HUMAN SQUALENE SYNTHASE COMPLEXED WITH BPH-652

Authors :   Y. -L. Liu, F. -Y. Lin, E. Oldfield

Date :   14 Jan 10 (Deposition) - 08 Dec 10 (Release) - 08 Dec 10 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   3.20

Chains :   Asym. Unit : A,B,C,D,E,F
Biol. Unit 1: A  (1x)
Biol. Unit 2: B  (1x)
Biol. Unit 3: C  (1x)
Biol. Unit 4: D  (1x)
Biol. Unit 5: E  (1x)
Biol. Unit 6: F  (1x)

Keywords :   Transferase, Isoprenoid Synthase Fold, Cholesterol Biosynthesis, Endoplasmic Reticulum, Isoprene Biosynthesis, Lipid Synthesis, Magnesium, Membrane, Multifunctional Enzyme, Nadp, Oxidoreductase, Steroid Biosynthesis, Sterol Biosynthesis, Transmembrane (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   F. -Y. Lin, C. -I. Liu, Y. -L. Liu, Y. Zhang, K. Wang, R. Cao, A. H. J. Wang, E. Oldfield
Mechanism Of Action (And Inhibition) Of Head-To-Head Terpen Synthases: A Structural Investigation
To Be Published
PubMed: search

Molecule 1 - SQUALENE SYNTHETASE
	Chains	:	A, B, C, D, E, F
	EC Number	:	2.5.1.21
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET28A
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Fragment	:	UNP RESIDUES 31-370
	Gene	:	FDFT1
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606

		1	2	3	4	5	6
Asymmetric Unit	:	A	B	C	D	E	F
Biological Unit 1 (1x)	:	A
Biological Unit 2 (1x)	:		B
Biological Unit 3 (1x)	:			C
Biological Unit 4 (1x)	:				D
Biological Unit 5 (1x)	:					E
Biological Unit 6 (1x)	:						F

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (2, 12)

No.	Name	Count	Type	Full Name
1	B65	6	Ligand/Ion	(1R)-4-(3-PHENOXYPHENYL)-1-PHOSPHONOBUTANE-1-SULFONICACID
2	MG	6	Ligand/Ion	MAGNESIUM ION

Biological Unit 1 (1, 1)

No.	Name	Count	Type	Full Name
1	B65	1	Ligand/Ion	(1R)-4-(3-PHENOXYPHENYL)-1-PHOSPHONOBUTANE-1-SULFONICACID
2	MG	-1	Ligand/Ion	MAGNESIUM ION

Biological Unit 2 (1, 1)

No.	Name	Count	Type	Full Name
1	B65	1	Ligand/Ion	(1R)-4-(3-PHENOXYPHENYL)-1-PHOSPHONOBUTANE-1-SULFONICACID
2	MG	-1	Ligand/Ion	MAGNESIUM ION

Biological Unit 3 (1, 1)

No.	Name	Count	Type	Full Name
1	B65	1	Ligand/Ion	(1R)-4-(3-PHENOXYPHENYL)-1-PHOSPHONOBUTANE-1-SULFONICACID
2	MG	-1	Ligand/Ion	MAGNESIUM ION

Biological Unit 4 (1, 1)

No.	Name	Count	Type	Full Name
1	B65	1	Ligand/Ion	(1R)-4-(3-PHENOXYPHENYL)-1-PHOSPHONOBUTANE-1-SULFONICACID
2	MG	-1	Ligand/Ion	MAGNESIUM ION

Biological Unit 5 (1, 1)

No.	Name	Count	Type	Full Name
1	B65	1	Ligand/Ion	(1R)-4-(3-PHENOXYPHENYL)-1-PHOSPHONOBUTANE-1-SULFONICACID
2	MG	-1	Ligand/Ion	MAGNESIUM ION

Biological Unit 6 (1, 1)

No.	Name	Count	Type	Full Name
1	B65	1	Ligand/Ion	(1R)-4-(3-PHENOXYPHENYL)-1-PHOSPHONOBUTANE-1-SULFONICACID
2	MG	-1	Ligand/Ion	MAGNESIUM ION

Asymmetric Unit (12, 12)

No.	Name	Evidence	Residues	Description
01	AC1	SOFTWARE	HOH A:1 , TYR A:73 , ARG A:77 , ASP A:80 , GLU A:83 , ASP A:84 , VAL A:175 , VAL A:179 , GLN A:212 , MG A:452	BINDING SITE FOR RESIDUE B65 A 451
02	AC2	SOFTWARE	ASP A:80 , GLU A:83 , ASP A:84 , B65 A:451	BINDING SITE FOR RESIDUE MG A 452
03	AC3	SOFTWARE	HOH B:5 , PHE B:54 , TYR B:73 , ARG B:77 , ASP B:80 , ASP B:84 , VAL B:175 , VAL B:179 , MG B:452	BINDING SITE FOR RESIDUE B65 B 451
04	AC4	SOFTWARE	ASP B:80 , GLU B:83 , ASP B:84 , B65 B:451	BINDING SITE FOR RESIDUE MG B 452
05	AC5	SOFTWARE	PHE C:54 , TYR C:73 , ARG C:77 , ASP C:80 , ASP C:84 , VAL C:175 , HOH C:380 , MG C:452	BINDING SITE FOR RESIDUE B65 C 451
06	AC6	SOFTWARE	ASP C:80 , GLU C:83 , ASP C:84 , B65 C:451	BINDING SITE FOR RESIDUE MG C 452
07	AC7	SOFTWARE	TYR D:73 , LEU D:76 , ARG D:77 , ASP D:80 , GLU D:83 , ASP D:84 , VAL D:175 , VAL D:179 , MG D:452	BINDING SITE FOR RESIDUE B65 D 451
08	AC8	SOFTWARE	ASP D:80 , ASP D:84 , HOH D:395 , B65 D:451	BINDING SITE FOR RESIDUE MG D 452
09	AC9	SOFTWARE	PHE E:54 , TYR E:73 , ASP E:80 , GLU E:83 , ASP E:84 , VAL E:175 , VAL E:179 , GLN E:212 , ARG E:228 , HOH E:372 , MG E:452	BINDING SITE FOR RESIDUE B65 E 451
10	BC1	SOFTWARE	GLU E:83 , TYR E:171 , VAL E:175 , B65 E:451	BINDING SITE FOR RESIDUE MG E 452
11	BC2	SOFTWARE	PHE F:54 , LEU F:76 , ARG F:77 , ASP F:80 , VAL F:179 , GLN F:212 , HOH F:377 , MG F:452	BINDING SITE FOR RESIDUE B65 F 451
12	BC3	SOFTWARE	ASP F:80 , GLU F:83 , ASP F:84 , B65 F:451	BINDING SITE FOR RESIDUE MG F 452

(no "SS Bond" information available for 3LEE)

(no "Cis Peptide Bond" information available for 3LEE)

Asymmetric Unit (1, 6)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_011786	K	45	R	FDFT_HUMAN	Polymorphism	11549147	A/B/C/D/E/F	K	45	R

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 1 (1, 1)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_011786	K	45	R	FDFT_HUMAN	Polymorphism	11549147	A	K	45	R

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 2 (1, 1)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_011786	K	45	R	FDFT_HUMAN	Polymorphism	11549147	B	K	45	R

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 3 (1, 1)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_011786	K	45	R	FDFT_HUMAN	Polymorphism	11549147	C	K	45	R

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 4 (1, 1)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_011786	K	45	R	FDFT_HUMAN	Polymorphism	11549147	D	K	45	R

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 5 (1, 1)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_011786	K	45	R	FDFT_HUMAN	Polymorphism	11549147	E	K	45	R

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Biological Unit 6 (1, 1)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_011786	K	45	R	FDFT_HUMAN	Polymorphism	11549147	F	K	45	R

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Asymmetric Unit (2, 12)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SQUALEN_PHYTOEN_SYN_1	PS01044	Squalene and phytoene synthases signature 1.	FDFT_HUMAN	171-186	6	A:171-186 B:171-186 C:171-186 D:171-186 E:171-186 F:171-186
2	SQUALEN_PHYTOEN_SYN_2	PS01045	Squalene and phytoene synthases signature 2.	FDFT_HUMAN	207-232	6	A:207-232 B:207-232 C:207-232 D:207-232 E:207-232 F:207-216

Biological Unit 1 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SQUALEN_PHYTOEN_SYN_1	PS01044	Squalene and phytoene synthases signature 1.	FDFT_HUMAN	171-186	1	A:171-186 - - - - -
2	SQUALEN_PHYTOEN_SYN_2	PS01045	Squalene and phytoene synthases signature 2.	FDFT_HUMAN	207-232	1	A:207-232 - - - - -

Biological Unit 2 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SQUALEN_PHYTOEN_SYN_1	PS01044	Squalene and phytoene synthases signature 1.	FDFT_HUMAN	171-186	1	- B:171-186 - - - -
2	SQUALEN_PHYTOEN_SYN_2	PS01045	Squalene and phytoene synthases signature 2.	FDFT_HUMAN	207-232	1	- B:207-232 - - - -

Biological Unit 3 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SQUALEN_PHYTOEN_SYN_1	PS01044	Squalene and phytoene synthases signature 1.	FDFT_HUMAN	171-186	1	- - C:171-186 - - -
2	SQUALEN_PHYTOEN_SYN_2	PS01045	Squalene and phytoene synthases signature 2.	FDFT_HUMAN	207-232	1	- - C:207-232 - - -

Biological Unit 4 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SQUALEN_PHYTOEN_SYN_1	PS01044	Squalene and phytoene synthases signature 1.	FDFT_HUMAN	171-186	1	- - - D:171-186 - -
2	SQUALEN_PHYTOEN_SYN_2	PS01045	Squalene and phytoene synthases signature 2.	FDFT_HUMAN	207-232	1	- - - D:207-232 - -

Biological Unit 5 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SQUALEN_PHYTOEN_SYN_1	PS01044	Squalene and phytoene synthases signature 1.	FDFT_HUMAN	171-186	1	- - - - E:171-186 -
2	SQUALEN_PHYTOEN_SYN_2	PS01045	Squalene and phytoene synthases signature 2.	FDFT_HUMAN	207-232	1	- - - - E:207-232 -

Biological Unit 6 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SQUALEN_PHYTOEN_SYN_1	PS01044	Squalene and phytoene synthases signature 1.	FDFT_HUMAN	171-186	1	- - - - - F:171-186
2	SQUALEN_PHYTOEN_SYN_2	PS01045	Squalene and phytoene synthases signature 2.	FDFT_HUMAN	207-232	1	- - - - - F:207-216

Asymmetric Unit (7, 42)

	ENSEMBL					UniProtKB			PDB
No.	Transcript ID	Exon	Exon ID	Genome Location	Length	ID	Location	Length	Count	Location	Length
1.2a	ENST00000220584	2a	ENSE00002161242	chr8:11660120-11660440	321	FDFT_HUMAN	1-33	33	0	-	-
1.5e	ENST00000220584	5e	ENSE00001087004	chr8:11666303-11666400	98	FDFT_HUMAN	34-66	33	6	A:37-66 B:37-66 C:37-66 D:37-66 E:37-66 F:38-66	30 30 30 30 30 29
1.6c	ENST00000220584	6c	ENSE00001087006	chr8:11667176-11667359	184	FDFT_HUMAN	66-127	62	6	A:66-127 B:66-127 C:66-127 D:66-127 E:66-127 F:66-127	62 62 62 62 62 62
1.7b	ENST00000220584	7b	ENSE00001087005	chr8:11679259-11679387	129	FDFT_HUMAN	128-170	43	6	A:128-170 B:128-170 C:128-170 D:128-170 E:128-170 F:128-170	43 43 43 43 43 43
1.8c	ENST00000220584	8c	ENSE00001087009	chr8:11683533-11683724	192	FDFT_HUMAN	171-234	64	6	A:171-234 B:171-234 C:171-234 D:171-234 E:171-234 F:171-216	64 64 64 64 64 46
1.9b	ENST00000220584	9b	ENSE00001087008	chr8:11687753-11687929	177	FDFT_HUMAN	235-293	59	6	A:235-293 B:235-293 C:235-293 D:235-293 E:235-293 F:265-293	59 59 59 59 59 29
1.10d	ENST00000220584	10d	ENSE00001087003	chr8:11689027-11689179	153	FDFT_HUMAN	294-344	51	6	A:294-344 (gaps) B:294-344 (gaps) C:294-344 (gaps) D:294-344 (gaps) E:294-344 (gaps) F:294-344 (gaps)	51 51 51 51 51 51
1.11j	ENST00000220584	11j	ENSE00001323254	chr8:11695897-11696818	922	FDFT_HUMAN	345-417	73	6	A:345-370 B:345-370 C:345-370 D:345-369 E:345-369 F:345-370	26 26 26 25 25 26

Asymmetric Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:324
 aligned with FDFT_HUMAN | P37268 from UniProtKB/Swiss-Prot  Length:417

    Alignment length:334
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366    
           FDFT_HUMAN    37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKIRKGQAVTLMMDATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQN 370
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhh..hhhhhhh...hhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhh..............hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhh....hhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh.hhhhhh.....----------...hhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------SQUALEN_PHYTOEN_--------------------SQUALEN_PHYTOEN_SYN_2     ------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.5e  PDB: A:37-66       -------------------------------------------------------------Exon 1.7b  PDB: A:128-170 UniProt: 128-170 Exon 1.8c  PDB: A:171-234 UniProt: 171-234                      Exon 1.9b  PDB: A:235-293 UniProt: 235-293                 Exon 1.10d  PDB: A:294-344 (gaps) UniProt: 294-344 Exon 1.11j  PDB: A:345-370 Transcript 1 (1)
           Transcript 1 (2) -----------------------------Exon 1.6c  PDB: A:66-127 UniProt: 66-127                      --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3lee A  37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKI----------DATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQN 370
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316         -|      336       346       356       366    
                                                                                                                                                                                                                                                                                                                 316        327

Chain B from PDB  Type:PROTEIN  Length:324
 aligned with FDFT_HUMAN | P37268 from UniProtKB/Swiss-Prot  Length:417

    Alignment length:334
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366    
           FDFT_HUMAN    37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKIRKGQAVTLMMDATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQN 370
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhh..hhhhhhh...hhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhh..............hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh.hhhhh......----------...hhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------SQUALEN_PHYTOEN_--------------------SQUALEN_PHYTOEN_SYN_2     ------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.5e  PDB: B:37-66       -------------------------------------------------------------Exon 1.7b  PDB: B:128-170 UniProt: 128-170 Exon 1.8c  PDB: B:171-234 UniProt: 171-234                      Exon 1.9b  PDB: B:235-293 UniProt: 235-293                 Exon 1.10d  PDB: B:294-344 (gaps) UniProt: 294-344 Exon 1.11j  PDB: B:345-370 Transcript 1 (1)
           Transcript 1 (2) -----------------------------Exon 1.6c  PDB: B:66-127 UniProt: 66-127                      --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3lee B  37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKI----------DATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQN 370
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316         -|      336       346       356       366    
                                                                                                                                                                                                                                                                                                                 316        327

Chain C from PDB  Type:PROTEIN  Length:324
 aligned with FDFT_HUMAN | P37268 from UniProtKB/Swiss-Prot  Length:417

    Alignment length:334
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366    
           FDFT_HUMAN    37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKIRKGQAVTLMMDATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQN 370
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhh.hhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhh..............hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh...hhhhhh.....----------...hhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) --------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------SQUALEN_PHYTOEN_--------------------SQUALEN_PHYTOEN_SYN_2     ------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.5e  PDB: C:37-66       -------------------------------------------------------------Exon 1.7b  PDB: C:128-170 UniProt: 128-170 Exon 1.8c  PDB: C:171-234 UniProt: 171-234                      Exon 1.9b  PDB: C:235-293 UniProt: 235-293                 Exon 1.10d  PDB: C:294-344 (gaps) UniProt: 294-344 Exon 1.11j  PDB: C:345-370 Transcript 1 (1)
           Transcript 1 (2) -----------------------------Exon 1.6c  PDB: C:66-127 UniProt: 66-127                      --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3lee C  37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKI----------DATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQN 370
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316         -|      336       346       356       366    
                                                                                                                                                                                                                                                                                                                 316        327

Chain D from PDB  Type:PROTEIN  Length:322
 aligned with FDFT_HUMAN | P37268 from UniProtKB/Swiss-Prot  Length:417

    Alignment length:333
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366   
           FDFT_HUMAN    37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKIRKGQAVTLMMDATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQ 369
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhh..hhhhhhh..hhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhh..............hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhh....hhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhh.............-----------...hhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------SQUALEN_PHYTOEN_--------------------SQUALEN_PHYTOEN_SYN_2     ----------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.5e  PDB: D:37-66       -------------------------------------------------------------Exon 1.7b  PDB: D:128-170 UniProt: 128-170 Exon 1.8c  PDB: D:171-234 UniProt: 171-234                      Exon 1.9b  PDB: D:235-293 UniProt: 235-293                 Exon 1.10d  PDB: D:294-344 (gaps) UniProt: 294-344 Exon 1.11j  PDB: D:345-36 Transcript 1 (1)
           Transcript 1 (2) -----------------------------Exon 1.6c  PDB: D:66-127 UniProt: 66-127                      -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3lee D  37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVK-----------DATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQ 369
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306        |-         -|      336       346       356       366   
                                                                                                                                                                                                                                                                                                                315         327

Chain E from PDB  Type:PROTEIN  Length:323
 aligned with FDFT_HUMAN | P37268 from UniProtKB/Swiss-Prot  Length:417

    Alignment length:333
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366   
           FDFT_HUMAN    37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKIRKGQAVTLMMDATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQ 369
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhh..hhhhhhh..hhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhh............hhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhh....hhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh.hhhhhh.....----------...hhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------SQUALEN_PHYTOEN_--------------------SQUALEN_PHYTOEN_SYN_2     ----------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.5e  PDB: E:37-66       -------------------------------------------------------------Exon 1.7b  PDB: E:128-170 UniProt: 128-170 Exon 1.8c  PDB: E:171-234 UniProt: 171-234                      Exon 1.9b  PDB: E:235-293 UniProt: 235-293                 Exon 1.10d  PDB: E:294-344 (gaps) UniProt: 294-344 Exon 1.11j  PDB: E:345-36 Transcript 1 (1)
           Transcript 1 (2) -----------------------------Exon 1.6c  PDB: E:66-127 UniProt: 66-127                      -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3lee E  37 SSSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKI----------DATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQ 369
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316         -|      336       346       356       366   
                                                                                                                                                                                                                                                                                                                 316        327

Chain F from PDB  Type:PROTEIN  Length:262
 aligned with FDFT_HUMAN | P37268 from UniProtKB/Swiss-Prot  Length:417

    Alignment length:333
                                    47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367   
           FDFT_HUMAN    38 SSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNIIRDYLEDQQGGREFWPQEVWSRYVKKLGDFAKPENIDLAVQCLNELITNALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAACYNNQQVFKGAVKIRKGQAVTLMMDATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQN 370
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ---------SQS_PSY-3leeF01 F:47-303                                                                                                                                                                                                                                                                -------------------------------------------- Pfam domains (1)
           Pfam domains (2) ---------SQS_PSY-3leeF02 F:47-303                                                                                                                                                                                                                                                                -------------------------------------------- Pfam domains (2)
           Pfam domains (3) ---------SQS_PSY-3leeF03 F:47-303                                                                                                                                                                                                                                                                -------------------------------------------- Pfam domains (3)
           Pfam domains (4) ---------SQS_PSY-3leeF04 F:47-303                                                                                                                                                                                                                                                                -------------------------------------------- Pfam domains (4)
           Pfam domains (5) ---------SQS_PSY-3leeF05 F:47-303                                                                                                                                                                                                                                                                -------------------------------------------- Pfam domains (5)
           Pfam domains (6) ---------SQS_PSY-3leeF06 F:47-303                                                                                                                                                                                                                                                                -------------------------------------------- Pfam domains (6)
         Sec.struct. author .hhhhhhhhhhhhh.hhhhhhhh...hhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh------------------------------------------------hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh-----------------------...hhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------SQUALEN_PHYTOEN_--------------------SQUALEN_PHYTOEN_SYN_2     ------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.5e  PDB: F:38-66      -------------------------------------------------------------Exon 1.7b  PDB: F:128-170 UniProt: 128-170 Exon 1.8c  PDB: F:171-216 UniProt: 171-234 [INCOMPLETE]         Exon 1.9b  PDB: F:265-293 UniProt: 235-293 [INCOMPLETE]    Exon 1.10d  PDB: F:294-344 (gaps) UniProt: 294-344 Exon 1.11j  PDB: F:345-370 Transcript 1 (1)
           Transcript 1 (2) ----------------------------Exon 1.6c  PDB: F:66-127 UniProt: 66-127                      --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript 1 (2)
                 3lee F  38 SSLKTCYKYLNQTSRSFAAVIQALDGEMRNAVCIFYLVLRALDTLEDDMTISVEKKVPLLHNFHSFLYQPDWRFMESKEKDRQVLEDFPTISLEFRNLAEKYQTVIADICRRMGIGMAEFLDKHVTSEQEWDKYCHYVAGLVGIGLSRLFSASEFEDPLVGEDTERANSMGLFLQKTNI------------------------------------------------NALHHIPDVITYLSRLRNQSVFNFCAIPQVMAIATLAAC-----------------------DATNMPAVKAIIYQYMEEIYHRIPDSDPSSSKTRQIISTIRTQN 370
                                    47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207        |-         -         -         -         -       267       277       287       297     |   -         -       327       337       347       357       367   
                                                                                                                                                                                                            216                                              265                                   303                     327

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
		→ Modified Residue	(blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

(no "SCOP Domain" information available for 3LEE)

(no "CATH Domain" information available for 3LEE)

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: no clan defined [family: SQS_PSY] (7)

Family: SQS_PSY (7)

Homo sapiens (Human) (1)

1a	SQS_PSY-3leeF01	F:47-303
1b	SQS_PSY-3leeF02	F:47-303
1c	SQS_PSY-3leeF03	F:47-303
1d	SQS_PSY-3leeF04	F:47-303
1e	SQS_PSY-3leeF05	F:47-303
1f	SQS_PSY-3leeF06	F:47-303

Asymmetric Unit(hide GO term definitions)

Chain A,B,C,D,E,F (FDFT_HUMAN | P37268)

molecular function
	GO:0003824	catalytic activity	Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
	GO:0004310	farnesyl-diphosphate farnesyltransferase activity	Catalysis of the reaction: 2 farnesyl diphosphate = diphosphate + presqualene diphosphate.
	GO:0016491	oxidoreductase activity	Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
	GO:0051996	squalene synthase activity	Catalysis of the reaction: presqualene diphosphate + NADPH = squalene + NADP+ + diphosphate.
	GO:0016740	transferase activity	Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
	GO:0016765	transferase activity, transferring alkyl or aryl (other than methyl) groups	Catalysis of the transfer of an alkyl or aryl (but not methyl) group from one compound (donor) to another (acceptor).
biological process
	GO:0009058	biosynthetic process	The chemical reactions and pathways resulting in the formation of substances; typically the energy-requiring part of metabolism in which simpler substances are transformed into more complex ones.
	GO:0006695	cholesterol biosynthetic process	The chemical reactions and pathways resulting in the formation of cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones.
	GO:0008203	cholesterol metabolic process	The chemical reactions and pathways involving cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones. It is a component of the plasma membrane lipid bilayer and of plasma lipoproteins and can be found in all animal tissues.
	GO:0045338	farnesyl diphosphate metabolic process	The chemical reactions and pathways involving farnesyl diphosphate, an intermediate in carotenoid, sesquiterpene, squalene and sterol biosynthesis, as well as a substrate in protein farnesylation.
	GO:0008299	isoprenoid biosynthetic process	The chemical reactions and pathways resulting in the formation of any isoprenoid compound, isoprene (2-methylbuta-1,3-diene) or compounds containing or derived from linked isoprene (3-methyl-2-butenylene) residues.
	GO:0008610	lipid biosynthetic process	The chemical reactions and pathways resulting in the formation of lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent.
	GO:0006629	lipid metabolic process	The chemical reactions and pathways involving lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent. Includes fatty acids; neutral fats, other fatty-acid esters, and soaps; long-chain (fatty) alcohols and waxes; sphingoids and other long-chain bases; glycolipids, phospholipids and sphingolipids; and carotenes, polyprenols, sterols, terpenes and other isoprenoids.
	GO:0008152	metabolic process	The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
	GO:0055114	oxidation-reduction process	A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
	GO:0006694	steroid biosynthetic process	The chemical reactions and pathways resulting in the formation of steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus; includes de novo formation and steroid interconversion by modification.
	GO:0008202	steroid metabolic process	The chemical reactions and pathways involving steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus.
	GO:0016126	sterol biosynthetic process	The chemical reactions and pathways resulting in the formation of sterols, steroids with one or more hydroxyl groups and a hydrocarbon side-chain in the molecule.
cellular component
	GO:0005783	endoplasmic reticulum	The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
	GO:0005789	endoplasmic reticulum membrane	The lipid bilayer surrounding the endoplasmic reticulum.
	GO:0016021	integral component of membrane	The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
	GO:0043231	intracellular membrane-bounded organelle	Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Asymmetric Unit
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(no "Related Entries Specified in the PDB File" available for 3LEE)

Description

Compounds

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Chains, Units

Ligands, Modified Residues, Ions (2, 12)

Sites (12, 12)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (1, 6)

PROSITE Motifs (2, 12)

Exons (7, 42)

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