3N9Y - JenaLib

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)

Title :   CRYSTAL STRUCTURE OF HUMAN CYP11A1 IN COMPLEX WITH CHOLESTEROL

Authors :   N. V. Strushkevich, F. Mackenzie, W. Tempel, A. Botchkarev, C. H. Arrow A. M. Edwards, C. Bountra, J. U. Weigelt, H. Park, Structural Genomic Consortium (Sgc)

Date :   31 May 10 (Deposition) - 08 Jun 11 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.10

Chains :   Asym. Unit : A,B,C,D
Biol. Unit 1: A,C  (1x)
Biol. Unit 2: B,D  (1x)

Keywords :   Cytochrome P450, Cholesterol Side Chain Cleavage, Structural Genomics, Structural Genomics Consortium, Sgc, Oxidoreductase, Electron Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   N. Strushkevich, F. Mackenzie, T. Cherkesova, I. Grabovec, S. Usanov H. W. Park
Structural Basis For Pregnenolone Biosynthesis By The Mitochondrial Monooxygenase System.
Proc. Natl. Acad. Sci. Usa V. 108 10139 2011
PubMed-ID: 21636783 | Reference-DOI: 10.1073/PNAS.1019441108

Molecule 1 - CHOLESTEROL SIDE-CHAIN CLEAVAGE ENZYME
	Chains	:	A, B
	EC Number	:	1.14.15.6
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PCW
	Expression System Strain	:	JM109
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Fragment	:	UNP RESIDUES 41-521
	Gene	:	CYP11A, CYP11A1
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606
	Synonym	:	CYTOCHROME P450 11A1, CYPXIA1, CYTOCHROME P450(SCC), CHOLESTEROL DESMOLASE

Molecule 2 - ADRENODOXIN
	Chains	:	C, D
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PCW
	Expression System Strain	:	JM109
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Fragment	:	UNP RESIDUES 62-175
	Gene	:	ADRENODOXIN, ADX, FDX1
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606
	Synonym	:	ADRENAL FERREDOXIN, FERREDOXIN-1, HEPATOREDOXIN

		1	2	3	4
Asymmetric Unit	:	A	B	C	D
Biological Unit 1 (1x)	:	A		C
Biological Unit 2 (1x)	:		B		D

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (3, 6)

No.	Name	Count	Type	Full Name
1	CLR	2	Ligand/Ion	CHOLESTEROL
2	FES	2	Ligand/Ion	FE2/S2 (INORGANIC) CLUSTER
3	HEM	2	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Biological Unit 1 (3, 3)

No.	Name	Count	Type	Full Name
1	CLR	1	Ligand/Ion	CHOLESTEROL
2	FES	1	Ligand/Ion	FE2/S2 (INORGANIC) CLUSTER
3	HEM	1	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Biological Unit 2 (3, 3)

No.	Name	Count	Type	Full Name
1	CLR	1	Ligand/Ion	CHOLESTEROL
2	FES	1	Ligand/Ion	FE2/S2 (INORGANIC) CLUSTER
3	HEM	1	Ligand/Ion	PROTOPORPHYRIN IX CONTAINING FE

Asymmetric Unit (6, 6)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ARG A:81 , VAL A:100 , TRP A:108 , ARG A:112 , MET A:284 , GLY A:287 , GLY A:288 , THR A:291 , THR A:295 , ILE A:351 , SER A:352 , ARG A:357 , GLY A:415 , PHE A:416 , GLY A:417 , TRP A:418 , ARG A:421 , GLN A:422 , CYS A:423 , GLY A:425 , HOH A:499	BINDING SITE FOR RESIDUE HEM A 601
2	AC2	SOFTWARE	PHE A:82 , SER A:352 , THR A:354 , GLN A:356 , HOH A:538 , HOH A:573	BINDING SITE FOR RESIDUE CLR A 602
3	AC3	SOFTWARE	ARG B:81 , VAL B:100 , TRP B:108 , ARG B:112 , MET B:284 , GLY B:287 , GLY B:288 , THR B:291 , THR B:295 , LEU B:346 , ILE B:351 , SER B:352 , LEU B:355 , ARG B:357 , GLY B:415 , PHE B:416 , GLY B:417 , TRP B:418 , ARG B:421 , GLN B:422 , CYS B:423 , GLY B:425 , HOH B:499	BINDING SITE FOR RESIDUE HEM B 601
4	AC4	SOFTWARE	PHE B:82 , MET B:201 , GLU B:283 , SER B:352 , THR B:354 , GLN B:356 , HOH B:559 , HOH B:590	BINDING SITE FOR RESIDUE CLR B 602
5	AC5	SOFTWARE	GLY C:44 , CYS C:46 , GLY C:48 , CYS C:52 , CYS C:55 , CYS C:92	BINDING SITE FOR RESIDUE FES C 150
6	AC6	SOFTWARE	LEU D:30 , GLY D:44 , CYS D:46 , GLY D:48 , LEU D:50 , CYS D:52 , CYS D:55 , CYS D:92	BINDING SITE FOR RESIDUE FES D 151

(no "SS Bond" information available for 3N9Y)

(no "Cis Peptide Bond" information available for 3N9Y)

Asymmetric Unit (7, 14)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_065241	L	141	W	CP11A_HUMAN	Disease (AICSR)	121912813	A/B	L	102	W
2	UniProt	VAR_016949	A	189	V	CP11A_HUMAN	Disease (AICSR)	121912811	A/B	A	150	V
3	UniProt	VAR_065242	L	222	P	CP11A_HUMAN	Disease (AICSR)	387906601	A/B	L	183	P
4	UniProt	VAR_013944	E	314	K	CP11A_HUMAN	Polymorphism	6161	A/B	E	275	K
5	UniProt	VAR_016951	R	353	W	CP11A_HUMAN	Disease (AICSR)	72547508	A/B	R	314	W
6	UniProt	VAR_065243	A	359	V	CP11A_HUMAN	Disease (AICSR)	121912812	A/B	A	320	V
7	UniProt	VAR_065244	V	415	E	CP11A_HUMAN	Disease (AICSR)	121912814	A/B	V	376	E

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

Biological Unit 1 (7, 7)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_065241	L	141	W	CP11A_HUMAN	Disease (AICSR)	121912813	A	L	102	W
2	UniProt	VAR_016949	A	189	V	CP11A_HUMAN	Disease (AICSR)	121912811	A	A	150	V
3	UniProt	VAR_065242	L	222	P	CP11A_HUMAN	Disease (AICSR)	387906601	A	L	183	P
4	UniProt	VAR_013944	E	314	K	CP11A_HUMAN	Polymorphism	6161	A	E	275	K
5	UniProt	VAR_016951	R	353	W	CP11A_HUMAN	Disease (AICSR)	72547508	A	R	314	W
6	UniProt	VAR_065243	A	359	V	CP11A_HUMAN	Disease (AICSR)	121912812	A	A	320	V
7	UniProt	VAR_065244	V	415	E	CP11A_HUMAN	Disease (AICSR)	121912814	A	V	376	E

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

Biological Unit 2 (7, 7)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_065241	L	141	W	CP11A_HUMAN	Disease (AICSR)	121912813	B	L	102	W
2	UniProt	VAR_016949	A	189	V	CP11A_HUMAN	Disease (AICSR)	121912811	B	A	150	V
3	UniProt	VAR_065242	L	222	P	CP11A_HUMAN	Disease (AICSR)	387906601	B	L	183	P
4	UniProt	VAR_013944	E	314	K	CP11A_HUMAN	Polymorphism	6161	B	E	275	K
5	UniProt	VAR_016951	R	353	W	CP11A_HUMAN	Disease (AICSR)	72547508	B	R	314	W
6	UniProt	VAR_065243	A	359	V	CP11A_HUMAN	Disease (AICSR)	121912812	B	A	320	V
7	UniProt	VAR_065244	V	415	E	CP11A_HUMAN	Disease (AICSR)	121912814	B	V	376	E

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

Asymmetric Unit (2, 4)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	ADX	PS00814	Adrenodoxin family, iron-sulfur binding region signature.	ADX_HUMAN	106-116	2	C:46-56 D:46-56
2	CYTOCHROME_P450	PS00086	Cytochrome P450 cysteine heme-iron ligand signature.	CP11A_HUMAN	455-464	2	A:416-425 B:416-425

Biological Unit 1 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	ADX	PS00814	Adrenodoxin family, iron-sulfur binding region signature.	ADX_HUMAN	106-116	1	C:46-56 -
2	CYTOCHROME_P450	PS00086	Cytochrome P450 cysteine heme-iron ligand signature.	CP11A_HUMAN	455-464	1	A:416-425 -

Biological Unit 2 (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	ADX	PS00814	Adrenodoxin family, iron-sulfur binding region signature.	ADX_HUMAN	106-116	1	- D:46-56
2	CYTOCHROME_P450	PS00086	Cytochrome P450 cysteine heme-iron ligand signature.	CP11A_HUMAN	455-464	1	- B:416-425

(no "Exon" information available for 3N9Y)

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:471
 aligned with CP11A_HUMAN | P05108 from UniProtKB/Swiss-Prot  Length:521

    Alignment length:471
                                    53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513 
          CP11A_HUMAN    44 SPRPFNEIPSPGDNGWLNLYHFWRETGTHKVHLHHVQNFQKYGPIYREKLGNVESVYVIDPEDVALLFKSEGPNPERFLIPPWVAYHQYYQRPIGVLLKKSAAWKKDRVALNQEVMAPEATKNFLPLLDAVSRDFVSVLHRRIKKAGSGNYSGDISDDLFRFAFESITNVIFGERQGMLEEVVNPEAQRFIDAIYQMFHTSVPMLNLPPDLFRLFRTKTWKDHVAAWDVIFSKADIYTQNFYWELRQKGSVHHDYRGILYRLLGDSKMSFEDIKANVTEMLAGGVDTTSMTLQWHLYEMARNLKVQDMLRAEVLAARHQAQGDMATMLQLVPLLKASIKETLRLHPISVTLQRYLVNDLVLRDYMIPAKTLVQVAIYALGREPTFFFDPENFDPTRWLSKDKNITYFRNLGFGWGVRQCLGRRIAELEMTIFLINMLENFRVEIQHLSDVGTTFNLILMPEKPISFTFWPF 514
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.eeeeee..eeeeee.hhhhhhhhhhh.........hhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eee.hhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhh....eeeee....eee..eee....eeeeehhhhhh...........hhhhhh...............hhhhh..hhhhhhhhhhhhhhhhhhheeee........eee...eee.....eeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------W-----------------------------------------------V--------------------------------P-------------------------------------------------------------------------------------------K--------------------------------------W-----V-------------------------------------------------------E--------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CYTOCHROME-------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3n9y A   5 SPRPFNEIPSPGDNGWLNLYHFWRETGTHKVHLHHVQNFQKYGPIYREKLGNVESVYVIDPEDVALLFKSEGPNPERFLIPPWVAYHQYYQRPIGVLLKKSAAWKKDRVALNQEVMAPEATKNFLPLLDAVSRDFVSVLHRRIKKAGSGNYSGDISDDLFRFAFESITNVIFGERQGMLEEVVNPEAQRFIDAIYQMFHTSVPMLNLPPDLFRLFRTKTWKDHVAAWDVIFSKADIYTQNFYWELRQKGSVHHDYRGILYRLLGDSKMSFEDIKANVTEMLAGGVDTTSMTLQWHLYEMARNLKVQDMLRAEVLAARHQAQGDMATMLQLVPLLKASIKETLRLHPISVTLQRYLVNDLVLRDYMIPAKTLVQVAIYALGREPTFFFDPENFDPTRWLSKDKNITYFRNLGFGWGVRQCLGRRIAELEMTIFLINMLENFRVEIQHLSDVGTTFNLILMPEKPISFTFWPF 475
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474

Chain B from PDB  Type:PROTEIN  Length:470
 aligned with CP11A_HUMAN | P05108 from UniProtKB/Swiss-Prot  Length:521

    Alignment length:470
                                    54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514
          CP11A_HUMAN    45 PRPFNEIPSPGDNGWLNLYHFWRETGTHKVHLHHVQNFQKYGPIYREKLGNVESVYVIDPEDVALLFKSEGPNPERFLIPPWVAYHQYYQRPIGVLLKKSAAWKKDRVALNQEVMAPEATKNFLPLLDAVSRDFVSVLHRRIKKAGSGNYSGDISDDLFRFAFESITNVIFGERQGMLEEVVNPEAQRFIDAIYQMFHTSVPMLNLPPDLFRLFRTKTWKDHVAAWDVIFSKADIYTQNFYWELRQKGSVHHDYRGILYRLLGDSKMSFEDIKANVTEMLAGGVDTTSMTLQWHLYEMARNLKVQDMLRAEVLAARHQAQGDMATMLQLVPLLKASIKETLRLHPISVTLQRYLVNDLVLRDYMIPAKTLVQVAIYALGREPTFFFDPENFDPTRWLSKDKNITYFRNLGFGWGVRQCLGRRIAELEMTIFLINMLENFRVEIQHLSDVGTTFNLILMPEKPISFTFWPF 514
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -------p450-3n9yB01 B:13-472                                                                                                                                                                                                                                                                                                                                                                                                                                                       --- Pfam domains (1)
           Pfam domains (2) -------p450-3n9yB02 B:13-472                                                                                                                                                                                                                                                                                                                                                                                                                                                       --- Pfam domains (2)
         Sec.struct. author ..hhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.eeeeee..eeeeee.hhhhhhhhhhh.........hhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eee.hhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhh..hhhhhhhhhhhhhhh.....eeee....eee..eee....eeeehhhhhhh...........hhhhhhh..............hhhhh..hhhhhhhhhhhhhhhhhhheeeee.......eee...eee.....eeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------W-----------------------------------------------V--------------------------------P-------------------------------------------------------------------------------------------K--------------------------------------W-----V-------------------------------------------------------E--------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CYTOCHROME-------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3n9y B   6 PRPFNEIPSPGDNGWLNLYHFWRETGTHKVHLHHVQNFQKYGPIYREKLGNVESVYVIDPEDVALLFKSEGPNPERFLIPPWVAYHQYYQRPIGVLLKKSAAWKKDRVALNQEVMAPEATKNFLPLLDAVSRDFVSVLHRRIKKAGSGNYSGDISDDLFRFAFESITNVIFGERQGMLEEVVNPEAQRFIDAIYQMFHTSVPMLNLPPDLFRLFRTKTWKDHVAAWDVIFSKADIYTQNFYWELRQKGSVHHDYRGILYRLLGDSKMSFEDIKANVTEMLAGGVDTTSMTLQWHLYEMARNLKVQDMLRAEVLAARHQAQGDMATMLQLVPLLKASIKETLRLHPISVTLQRYLVNDLVLRDYMIPAKTLVQVAIYALGREPTFFFDPENFDPTRWLSKDKNITYFRNLGFGWGVRQCLGRRIAELEMTIFLINMLENFRVEIQHLSDVGTTFNLILMPEKPISFTFWPF 475
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425       435       445       455       465       475

Chain C from PDB  Type:PROTEIN  Length:68
 aligned with ADX_HUMAN | P10109 from UniProtKB/Swiss-Prot  Length:184

    Alignment length:68
                                    97       107       117       127       137       147        
            ADX_HUMAN    88 SLLDVVVENNLDIDGFGACEGTLACSTCHLIFEDHIYEKLDAITDEENDMLDLAYGLTDRSRLGCQIC 155
               SCOP domains d3n9yc_ C: automated matches                                         SCOP domains
               CATH domains -------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhh..................eee.hhhhhh.....hhhhhhhhhh.......eee.hhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------ADX        --------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------- Transcript
                 3n9y C  28 SLLDVVVENNLDIDGFGACEGTLACSTCHLIFEDHIYEKLDAITDEENDMLDLAYGLTDRSRLGCQIC  95
                                    37        47        57        67        77        87

Chain D from PDB  Type:PROTEIN  Length:68
 aligned with ADX_HUMAN | P10109 from UniProtKB/Swiss-Prot  Length:184

    Alignment length:68
                                    97       107       117       127       137       147        
            ADX_HUMAN    88 SLLDVVVENNLDIDGFGACEGTLACSTCHLIFEDHIYEKLDAITDEENDMLDLAYGLTDRSRLGCQIC 155
               SCOP domains d3n9yd_ D: automated matches                                         SCOP domains
               CATH domains -------------------------------------------------------------------- CATH domains
           Pfam domains (1) Fer2-3n9yD01 D:28-95                                                 Pfam domains (1)
           Pfam domains (2) Fer2-3n9yD02 D:28-95                                                 Pfam domains (2)
         Sec.struct. author hhhhhhhhhh..................eee..hhhhhh....hhhhhhhhhh.......eee.hhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------ADX        --------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------- Transcript
                 3n9y D  28 SLLDVVVENNLDIDGFGACEGTLACSTCHLIFEDHIYEKLDAITDEENDMLDLAYGLTDRSRLGCQIC  95
                                    37        47        57        67        77        87

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 '\|'

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a+b) (23004)

Fold: beta-Grasp (ubiquitin-like) (1032)

Superfamily: 2Fe-2S ferredoxin-like (174)

Family: 2Fe-2S ferredoxin-related (74)

Protein domain: automated matches (14)

Human (Homo sapiens) [TaxId: 9606] (5)

1a	d3n9yc_	C:
1b	d3n9yd_	D:

(no "CATH Domain" information available for 3N9Y)

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: Fer2 (69)

Family: Fer2 (60)

Homo sapiens (Human) (5)

1a	Fer2-3n9yD01	D:28-95
1b	Fer2-3n9yD02	D:28-95

Clan: no clan defined [family: p450] (161)

Family: p450 (161)

Homo sapiens (Human) (33)

2a	p450-3n9yB01	B:13-472
2b	p450-3n9yB02	B:13-472

Asymmetric Unit(hide GO term definitions)

Chain A,B (CP11A_HUMAN | P05108)

molecular function
	GO:0008386	cholesterol monooxygenase (side-chain-cleaving) activity	Catalysis of the reaction: cholesterol + reduced adrenal ferredoxin + O2 = pregnenolone + 4-methylpentanal + oxidized adrenal ferredoxin + H2O.
	GO:0020037	heme binding	Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
	GO:0005506	iron ion binding	Interacting selectively and non-covalently with iron (Fe) ions.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0004497	monooxygenase activity	Catalysis of the incorporation of one atom from molecular oxygen into a compound and the reduction of the other atom of oxygen to water.
	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:0016705	oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen	Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from each of two donors, and molecular oxygen is reduced or incorporated into a donor.
	GO:0016709	oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen	Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from NADH or NADPH and one other donor, and one atom of oxygen is incorporated into one donor.
biological process
	GO:0006700	C21-steroid hormone biosynthetic process	The chemical reactions and pathways resulting in the formation of C21-steroid hormones, steroid compounds containing 21 carbons which function as hormones.
	GO:0008207	C21-steroid hormone metabolic process	The chemical reactions and pathways involving C21-steroid hormones, steroid compounds containing 21 carbons which function as hormones.
	GO:0071375	cellular response to peptide hormone stimulus	Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a peptide hormone stimulus. A peptide hormone is any of a class of peptides that are secreted into the blood stream and have endocrine functions in living animals.
	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:0034650	cortisol metabolic process	The chemical reactions and pathways involving cortisol, the steroid hormone 11-beta-17,21-trihydroxypregn-4-ene-3,20-dione. Cortisol is synthesized from cholesterol in the adrenal gland and controls carbohydrate, fat and protein metabolism and has anti-inflammatory properties.
	GO:0006704	glucocorticoid biosynthetic process	The chemical reactions and pathways resulting in the formation of glucocorticoids, hormonal C21 corticosteroids synthesized from cholesterol.
	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: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:0044550	secondary metabolite biosynthetic process	The chemical reactions and pathways resulting in the formation of secondary metabolites, the compounds that are not necessarily required for growth and maintenance of cells, and are often unique to a taxon.
	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:0016125	sterol metabolic process	The chemical reactions and pathways involving sterols, steroids with one or more hydroxyl groups and a hydrocarbon side-chain in the molecule.
	GO:0042359	vitamin D metabolic process	The chemical reactions and pathways involving vitamin D, any of a group of related, fat-soluble compounds that are derived from delta-5,7 steroids and play a central role in calcium metabolism. Specific forms of vitamin D include calciferol (ergocalciferol; vitamin D2) and cholecalciferol (calciol; vitamin D3).
cellular component
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0005743	mitochondrial inner membrane	The inner, i.e. lumen-facing, lipid bilayer of the mitochondrial envelope. It is highly folded to form cristae.
	GO:0005759	mitochondrial matrix	The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.
	GO:0031966	mitochondrial membrane	Either of the lipid bilayers that surround the mitochondrion and form the mitochondrial envelope.
	GO:0005739	mitochondrion	A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

Chain C,D (ADX_HUMAN | P10109)

molecular function
	GO:0051537	2 iron, 2 sulfur cluster binding	Interacting selectively and non-covalently with a 2 iron, 2 sulfur (2Fe-2S) cluster; this cluster consists of two iron atoms, with two inorganic sulfur atoms found between the irons and acting as bridging ligands.
	GO:0009055	electron carrier activity	Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
	GO:0005506	iron ion binding	Interacting selectively and non-covalently with iron (Fe) ions.
	GO:0051536	iron-sulfur cluster binding	Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
biological process
	GO:0006700	C21-steroid hormone biosynthetic process	The chemical reactions and pathways resulting in the formation of C21-steroid hormones, steroid compounds containing 21 carbons which function as 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:0042446	hormone biosynthetic process	The chemical reactions and pathways resulting in the formation of any hormone, naturally occurring substances secreted by specialized cells that affects the metabolism or behavior of other cells possessing functional receptors for the hormone.
	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: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:0044281	small molecule metabolic process	The chemical reactions and pathways involving small molecules, any low molecular weight, monomeric, non-encoded molecule.
	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:0016125	sterol metabolic process	The chemical reactions and pathways involving sterols, steroids with one or more hydroxyl groups and a hydrocarbon side-chain in the molecule.
cellular component
	GO:0005759	mitochondrial matrix	The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.
	GO:0005739	mitochondrion	A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

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	Cis Peptide Bonds
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	3n9y
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	ADX_HUMAN \| P10109
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	CP11A_HUMAN \| P05108
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	1.14.15.6
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	613743
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	ADX_HUMAN \| P10109
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		Protein Disorder Prediction	:	DisEMBL \| FoldIndex \| GLOBPLOT (for more information see DisProt)

UniProtKB/Swiss-Prot
	ADX_HUMAN \| P10109	:	3n9z 3na0 3na1 3p1m
	CP11A_HUMAN \| P05108	:	3n9z 3na0 3na1

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (3, 6)

Sites (6, 6)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (7, 14)

PROSITE Motifs (2, 4)

Exons (0, 0)

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SCOP Domains (1, 2)

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Pfam Domains (2, 4)

Gene Ontology (31, 42)

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Related Entries

Entries Sharing at Least One Protein Chain (UniProt ID)

Related Entries Specified in the PDB File