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Title :   SERINE ACETYLTRANSFERASE- COMPLEX WITH COA

Authors :   L. R. Olsen, B. Huang, M. W. Vetting, S. L. Roderick

Date :   24 Mar 04 (Deposition) - 01 Jun 04 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.00

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

Keywords :   Left-Handed Parallel Beta Helix, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   L. R. Olsen, B. Huang, M. W. Vetting, S. L. Roderick
Structure Of Serine Acetyltransferase In Complexes With Coa And Its Cysteine Feedback Inhibitor
Biochemistry V. 43 6013 2004
PubMed-ID: 15147185 | Reference-DOI: 10.1021/BI0358521

Molecule 1 - SERINE ACETYLTRANSFERASE
	Chains	:	A, B, C
	EC Number	:	2.3.1.30
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21(DE3)
	Expression System Plasmid	:	PET3A
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Expression System Vector Type	:	PLASMID
	Gene	:	CYSE, HI0606
	Organism Scientific	:	HAEMOPHILUS INFLUENZAE
	Organism Taxid	:	727
	Synonym	:	SAT

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

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (1, 3)

No.	Name	Count	Type	Full Name
1	COA	3	Ligand/Ion	COENZYME A

Biological Unit 1 (1, 6)

No.	Name	Count	Type	Full Name
1	COA	6	Ligand/Ion	COENZYME A

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	HIS A:154 , LEU A:173 , GLN A:174 , ALA A:200 , LYS A:215 , GLY A:217 , ALA A:218 , THR A:231 , VAL A:240 , HOH A:344 , HOH A:348 , GLY B:180 , THR B:181 , LEU B:205 , VAL B:221 , VAL B:235 , PRO B:236	BINDING SITE FOR RESIDUE COA A 300
2	AC2	SOFTWARE	HIS B:154 , LEU B:173 , GLN B:174 , GLY B:199 , ALA B:200 , GLY B:217 , ALA B:218 , THR B:231 , ALA B:233 , VAL B:240 , GLY C:180 , THR C:181 , LEU C:205 , VAL C:221 , VAL C:235 , PRO C:236	BINDING SITE FOR RESIDUE COA B 400
3	AC3	SOFTWARE	GLU A:15 , GLU A:18 , GLY A:180 , THR A:181 , VAL A:221 , LEU A:223 , VAL A:235 , PRO A:236 , LEU C:173 , GLN C:174 , GLY C:199 , ALA C:200 , GLY C:217 , ALA C:218 , THR C:231 , ALA C:233 , GLY C:234 , VAL C:240 , HOH C:531 , HOH C:559	BINDING SITE FOR RESIDUE COA C 500

(no "SS Bond" information available for 1SST)

Asymmetric Unit

No.	Residues
1	Val A:235	-	Pro A:236
2	Val B:235	-	Pro B:236
3	Val C:235	-	Pro C:236

(no "SAP(SNP)/Variant" information available for 1SST)

Asymmetric Unit (1, 3)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	HEXAPEP_TRANSFERASES	PS00101	Hexapeptide-repeat containing-transferases signature.	CYSE_HAEIN	198-226	3	A:198-226 B:198-226 C:198-226

Biological Unit 1 (1, 6)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	HEXAPEP_TRANSFERASES	PS00101	Hexapeptide-repeat containing-transferases signature.	CYSE_HAEIN	198-226	6	A:198-226 B:198-226 C:198-226

(no "Exon" information available for 1SST)

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:233
 aligned with CYSE_HAEIN | P43886 from UniProtKB/Swiss-Prot  Length:267

    Alignment length:240
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240
           CYSE_HAEIN     1 MTLDVWQHIRQEAKELAENEPMLASFFHSTILKHQNLGGALSYLLANKLANPIMPAISLREIIEEAYQSNPSIIDCAACDIQAVRHRDPAVELWSTPLLYLKGFHAIQSYRITHYLWNQNRKSLALYLQNQISVAFDVDIHPAAKIGHGIMFDHATGIVVGETSVIENDVSILQGVTLGGTGKESGDRHPKVREGVMIGAGAKILGNIEVGKYAKIGANSVVLNPVPEYATAAGVPARIV 240
               SCOP domains d1ssta_ A: Serine acetyltransferase                                                                                                                                                                                                              SCOP domains
               CATH domains 1sstA01 A:1-138 serine acetyltransferase, domain 1                                                                                        1sstA02 A:139-240 Hexapeptide repeat protei       ns                                                   CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhh..hhhhhhhhh....hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhheee....ee....eee....eee....ee....eee...eee..-------..ee....ee....eee...ee....ee....ee........eee....eee Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEXAPEP_TRANSFERASES         -------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1sst A   1 MTLDVWQHIRQEAKELAENEPMLASFFHSTILKHQNLGGALSYLLANKLANPIMPAISLREIIEEAYQSNPSIIDCAACDIQAVRHRDPAVELWSTPLLYLKGFHAIQSYRITHYLWNQNRKSLALYLQNQISVAFDVDIHPAAKIGHGIMFDHATGIVVGETSVIENDVSILQGVTLGGT-------HPKVREGVMIGAGAKILGNIEVGKYAKIGANSVVLNPVPEYATAAGVPARIV 240
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180|      190       200       210       220       230       240
                                                                                                                                                                                                              181     189

Chain B from PDB  Type:PROTEIN  Length:235
 aligned with CYSE_HAEIN | P43886 from UniProtKB/Swiss-Prot  Length:267

    Alignment length:240
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240
           CYSE_HAEIN     1 MTLDVWQHIRQEAKELAENEPMLASFFHSTILKHQNLGGALSYLLANKLANPIMPAISLREIIEEAYQSNPSIIDCAACDIQAVRHRDPAVELWSTPLLYLKGFHAIQSYRITHYLWNQNRKSLALYLQNQISVAFDVDIHPAAKIGHGIMFDHATGIVVGETSVIENDVSILQGVTLGGTGKESGDRHPKVREGVMIGAGAKILGNIEVGKYAKIGANSVVLNPVPEYATAAGVPARIV 240
               SCOP domains d1sstb_ B: Serine acetyltransferase                                                                                                                                                                                                              SCOP domains
               CATH domains 1sstB01 B:1-138 serine acetyltransferase, domain 1                                                                                        1sstB02 B:139-240 Hexapeptide repeat protei     ns                                                     CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhh..hhhhhhhhh....hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhheee....ee....ee.....eee....ee....ee....eee..-----....ee....ee....eee...ee....ee....ee........eee....ee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEXAPEP_TRANSFERASES         -------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1sst B   1 MTLDVWQHIRQEAKELAENEPMLASFFHSTILKHQNLGGALSYLLANKLANPIMPAISLREIIEEAYQSNPSIIDCAACDIQAVRHRDPAVELWSTPLLYLKGFHAIQSYRITHYLWNQNRKSLALYLQNQISVAFDVDIHPAAKIGHGIMFDHATGIVVGETSVIENDVSILQGVTLGGT-----DRHPKVREGVMIGAGAKILGNIEVGKYAKIGANSVVLNPVPEYATAAGVPARIV 240
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180|     |190       200       210       220       230       240
                                                                                                                                                                                                              181   187

Chain C from PDB  Type:PROTEIN  Length:236
 aligned with CYSE_HAEIN | P43886 from UniProtKB/Swiss-Prot  Length:267

    Alignment length:240
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240
           CYSE_HAEIN     1 MTLDVWQHIRQEAKELAENEPMLASFFHSTILKHQNLGGALSYLLANKLANPIMPAISLREIIEEAYQSNPSIIDCAACDIQAVRHRDPAVELWSTPLLYLKGFHAIQSYRITHYLWNQNRKSLALYLQNQISVAFDVDIHPAAKIGHGIMFDHATGIVVGETSVIENDVSILQGVTLGGTGKESGDRHPKVREGVMIGAGAKILGNIEVGKYAKIGANSVVLNPVPEYATAAGVPARIV 240
               SCOP domains d1sstc_ C: Serine acetyltransferase                                                                                                                                                                                                              SCOP domains
               CATH domains 1sstC01 C:1-138 serine acetyltransferase, domain 1                                                                                        1sstC02 C:139-240 Hexapeptide repeat protei    ns                                                      CATH domains
           Pfam domains (1) ----SATase_N-1sstC04 C:5-109                                                                                 -------------------------------------------------------------------------------Hexapep-1sstC01 C:189-224           ---------------- Pfam domains (1)
           Pfam domains (2) ----SATase_N-1sstC05 C:5-109                                                                                 -------------------------------------------------------------------------------Hexapep-1sstC02 C:189-224           ---------------- Pfam domains (2)
           Pfam domains (3) ----SATase_N-1sstC06 C:5-109                                                                                 -------------------------------------------------------------------------------Hexapep-1sstC03 C:189-224           ---------------- Pfam domains (3)
         Sec.struct. author hhhhhhhhhhhhhhhhhhhh..hhhhhhhhh....hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhheee....ee....eee....eee....ee....eee...eee..----.....ee....ee....eee...ee....ee....ee........eee....eee Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEXAPEP_TRANSFERASES         -------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1sst C   1 MTLDVWQHIRQEAKELAENEPMLASFFHSTILKHQNLGGALSYLLANKLANPIMPAISLREIIEEAYQSNPSIIDCAACDIQAVRHRDPAVELWSTPLLYLKGFHAIQSYRITHYLWNQNRKSLALYLQNQISVAFDVDIHPAAKIGHGIMFDHATGIVVGETSVIENDVSILQGVTLGGT----GDRHPKVREGVMIGAGAKILGNIEVGKYAKIGANSVVLNPVPEYATAAGVPARIV 240
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180|    | 190       200       210       220       230       240
                                                                                                                                                                                                              181  186

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: All beta proteins (24004)

Fold: Single-stranded left-handed beta-helix (154)

Superfamily: Trimeric LpxA-like enzymes (147)

Family: Serine acetyltransferase (7)

Protein domain: Serine acetyltransferase (5)

Haemophilus influenzae [TaxId: 727] (4)

1a	d1ssta_	A:
1b	d1sstb_	B:
1c	d1sstc_	C:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Alpha (13335)

Architecture: Orthogonal Bundle (10391)

Topology: serine acetyltransferase, domain 1 (5)

Homologous Superfamily: serine acetyltransferase, domain 1 (5)

Haemophilus influenzae. Organism_taxid: 727. (4)

1a	1sstA01	A:1-138
1b	1sstB01	B:1-138
1c	1sstC01	C:1-138

Class: Mainly Beta (13760)

Architecture: 3 Solenoid (196)

Topology: UDP N-Acetylglucosamine Acyltransferase; domain 1 (90)

Homologous Superfamily: Hexapeptide repeat proteins (85)

Haemophilus influenzae. Organism_taxid: 727. (4)

2a	1sstC02	C:139-240
2b	1sstA02	A:139-240
2c	1sstB02	B:139-240

Asymmetric Unit(hide GO term definitions)

Chain A,B,C (CYSE_HAEIN | P43886)

molecular function
	GO:0009001	serine O-acetyltransferase activity	Catalysis of the reaction: L-serine + acetyl-CoA = O-acetyl-L-serine + CoA.
	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:0016746	transferase activity, transferring acyl groups	Catalysis of the transfer of an acyl group from one compound (donor) to another (acceptor).
biological process
	GO:0008652	cellular amino acid biosynthetic process	The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
	GO:0019344	cysteine biosynthetic process	The chemical reactions and pathways resulting in the formation of cysteine, 2-amino-3-mercaptopropanoic acid.
	GO:0006535	cysteine biosynthetic process from serine	The chemical reactions and pathways resulting in the formation of cysteine from other compounds, including serine.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Asymmetric Unit
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	Cis Peptide Bonds
		Val A:235 - Pro A:236	[ RasMol ]
		Val B:235 - Pro B:236	[ RasMol ]
		Val C:235 - Pro C:236	[ RasMol ]

Biological Unit
	Complete Structure
		Biological Unit 1	[ Jena3D ]

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	2.3.1.30
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	CYSE_HAEIN \| P43886	:	1s80 1ssm 1ssq 1y7l

Description

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Ligands, Modified Residues, Ions (1, 3)

Sites (3, 3)

SS Bonds (0, 0)

Cis Peptide Bonds (3, 3)

Sequence-Structure Mapping

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