1T3D - JenaLib

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Asymmetric Unit (Jmol Viewer)

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Biological Unit 1 (Jmol Viewer)

Biol. Unit 1 - sites (Jmol Viewer)

Title :   CRYSTAL STRUCTURE OF SERINE ACETYLTRANSFERASE FROM E.COLI AT 2.2A

Authors :   V. E. Pye, A. P. Tingey, R. L. Robson, P. C. E. Moody

Date :   26 Apr 04 (Deposition) - 13 Jul 04 (Release) - 07 Nov 12 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.20

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

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

Reference :   V. E. Pye, A. P. Tingey, R. L. Robson, P. C. E. Moody
The Structure And Mechanism Of Serine Acetyltransferase Fro Escherichia Coli
J. Biol. Chem. V. 279 40729 2004
PubMed-ID: 15231846 | Reference-DOI: 10.1074/JBC.M403751200

Molecule 1 - SERINE ACETYLTRANSFERASE
	Chains	:	A, B, C
	EC Number	:	2.3.1.30
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PCOCE3
	Expression System Strain	:	B834
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	CYSE, B3607, C4429, Z5034, ECS4485, SF3646, S4122
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562
	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 (2, 30)

No.	Name	Count	Type	Full Name
1	CYS	3	Mod. Amino Acid	CYSTEINE
2	MSE	27	Mod. Amino Acid	SELENOMETHIONINE

Biological Unit 1 (2, 60)

No.	Name	Count	Type	Full Name
1	CYS	6	Mod. Amino Acid	CYSTEINE
2	MSE	54	Mod. Amino Acid	SELENOMETHIONINE

Asymmetric Unit (3, 3)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	ASP A:92 , PRO A:93 , ASP A:157 , HIS A:158 , HOH A:285 , GLY B:184 , ARG B:192 , HIS B:193 , HOH B:714 , HOH B:735	BINDING SITE FOR RESIDUE CYS B 501
2	AC2	SOFTWARE	ASP B:92 , PRO B:93 , ASP B:157 , HIS B:158 , HOH B:739 , GLY C:184 , ARG C:192 , HIS C:193 , HOH C:295 , HOH C:338	BINDING SITE FOR RESIDUE CYS B 601
3	AC3	SOFTWARE	GLY A:184 , ARG A:192 , HIS A:193 , HOH A:310 , HOH B:736 , ASP C:92 , PRO C:93 , ASP C:157 , HIS C:158 , HOH C:275	BINDING SITE FOR RESIDUE CYS B 701

(no "SS Bond" information available for 1T3D)

Asymmetric Unit

No.	Residues
1	Val A:239	-	Pro A:240
2	Val B:239	-	Pro B:240
3	Val C:239	-	Pro C:240

(no "SAP(SNP)/Variant" information available for 1T3D)

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_ECOLI	202-230	3	A:202-230 B:202-230 C:202-230

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_ECOLI	202-230	6	A:202-230 B:202-230 C:202-230

(no "Exon" information available for 1T3D)

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:262
 aligned with CYSE_ECOLI | P0A9D4 from UniProtKB/Swiss-Prot  Length:273

    Alignment length:262
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260  
           CYSE_ECOLI     1 MSCEELEIVWNNIKAEARTLADCEPMLASFYHATLLKHENLGSALSYMLANKLSSPIMPAIAIREVVEEAYAADPEMIASAACDIQAVRTRDPAVDKYSTPLLYLKGFHALQAYRIGHWLWNQGRRALAIFLQNQVSVTFQVDIHPAAKIGRGIMLDHATGIVVGETAVIENDVSILQSVTLGGTGKSGGDRHPKIREGVMIGAGAKILGNIEVGRGAKIGAGSVVLQPVPPHTTAAGVPARIVGKPDSDKPSMDMDQHFNG 262
               SCOP domains d1t3da_ A: Serine acetyltransferase                                                                                                                                                                                                                                    SCOP domains
               CATH domains --1t3dA01 A:3-142 serine acetyltransferase, domain 1                                                                                          1t3dA02 A:143-262 Hexapeptide repeat proteins                                                                            CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh....hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.ee....ee....ee......ee....ee....ee....eee...........ee....ee....eee...ee....ee....ee........eee....eeee.....hhhhhh...... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEXAPEP_TRANSFERASES         -------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1t3d A   1 mSCEELEIVWNNIKAEARTLADCEPmLASFYHATLLKHENLGSALSYmLANKLSSPImPAIAIREVVEEAYAADPEmIASAACDIQAVRTRDPAVDKYSTPLLYLKGFHALQAYRIGHWLWNQGRRALAIFLQNQVSVTFQVDIHPAAKIGRGImLDHATGIVVGETAVIENDVSILQSVTLGGTGKSGGDRHPKIREGVmIGAGAKILGNIEVGRGAKIGAGSVVLQPVPPHTTAAGVPARIVGKPDSDKPSmDmDQHFNG 262
                            |       10        20     |  30        40       |50       |60        70      | 80        90       100       110       120       130       140       150    |  160       170       180       190       200|      210       220       230       240       250   | | 260  
                            |                       26-MSE                48-MSE    58-MSE             77-MSE                                                                       155-MSE                                       201-MSE                                              254-MSE    
                            1-MSE                                                                                                                                                                                                                                                        256-MSE

Chain B from PDB  Type:PROTEIN  Length:265
 aligned with CYSE_ECOLI | P0A9D4 from UniProtKB/Swiss-Prot  Length:273

    Alignment length:269
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260         
           CYSE_ECOLI     1 MSCEELEIVWNNIKAEARTLADCEPMLASFYHATLLKHENLGSALSYMLANKLSSPIMPAIAIREVVEEAYAADPEMIASAACDIQAVRTRDPAVDKYSTPLLYLKGFHALQAYRIGHWLWNQGRRALAIFLQNQVSVTFQVDIHPAAKIGRGIMLDHATGIVVGETAVIENDVSILQSVTLGGTGKSGGDRHPKIREGVMIGAGAKILGNIEVGRGAKIGAGSVVLQPVPPHTTAAGVPARIVGKPDSDKPSMDMDQHFNGINHTFEY 269
               SCOP domains d1t3db_ B: Serine acetyltransferase                                                                                                                                                                                                                                           SCOP domains
               CATH domains --1t3dB01 B:3-142 serine acetyltransferase, domain 1                                                                                          1t3dB02 B:143-262 Hexapeptide repeat proteins                                                                           ------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh....hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhh.ee....ee....ee......ee....ee....ee....eee...........ee....ee....eee...ee....ee....ee........eee....eeee.................--.-.-. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEXAPEP_TRANSFERASES         --------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1t3d B   1 mSCEELEIVWNNIKAEARTLADCEPmLASFYHATLLKHENLGSALSYmLANKLSSPImPAIAIREVVEEAYAADPEmIASAACDIQAVRTRDPAVDKYSTPLLYLKGFHALQAYRIGHWLWNQGRRALAIFLQNQVSVTFQVDIHPAAKIGRGImLDHATGIVVGETAVIENDVSILQSVTLGGTGKSGGDRHPKIREGVmIGAGAKILGNIEVGRGAKIGAGSVVLQPVPPHTTAAGVPARIVGKPDSDKPSmDmDQHFNG--C-C-C 701
                            |       10        20     |  30        40       |50       |60        70      | 80        90       100       110       120       130       140       150    |  160       170       180       190       200|      210       220       230       240       250   | | 260 |  | | |
                            1-MSE                   26-MSE                48-MSE    58-MSE             77-MSE                                                                       155-MSE                                       201-MSE                                              254-MSE 262  | | |
                                                                                                                                                                                                                                                                                         256-MSE  501 | |
                                                                                                                                                                                                                                                                                                    601 |
                                                                                                                                                                                                                                                                                                      701

Chain C from PDB  Type:PROTEIN  Length:262
 aligned with CYSE_ECOLI | P0A9D4 from UniProtKB/Swiss-Prot  Length:273

    Alignment length:262
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260  
           CYSE_ECOLI     1 MSCEELEIVWNNIKAEARTLADCEPMLASFYHATLLKHENLGSALSYMLANKLSSPIMPAIAIREVVEEAYAADPEMIASAACDIQAVRTRDPAVDKYSTPLLYLKGFHALQAYRIGHWLWNQGRRALAIFLQNQVSVTFQVDIHPAAKIGRGIMLDHATGIVVGETAVIENDVSILQSVTLGGTGKSGGDRHPKIREGVMIGAGAKILGNIEVGRGAKIGAGSVVLQPVPPHTTAAGVPARIVGKPDSDKPSMDMDQHFNG 262
               SCOP domains d1t3dc_ C: Serine acetyltransferase                                                                                                                                                                                                                                    SCOP domains
               CATH domains --1t3dC01 C:3-142 serine acetyltransferase, domain 1                                                                                          1t3dC02 C:143-262 Hexapeptide repeat proteins                                                                            CATH domains
           Pfam domains (1) --------SATase_N-1t3dC04 C:9-113                                                                                 -------------------------------------------------------------------------------Hexapep-1t3dC01 C:193-228           ---------------------------------- Pfam domains (1)
           Pfam domains (2) --------SATase_N-1t3dC05 C:9-113                                                                                 -------------------------------------------------------------------------------Hexapep-1t3dC02 C:193-228           ---------------------------------- Pfam domains (2)
           Pfam domains (3) --------SATase_N-1t3dC06 C:9-113                                                                                 -------------------------------------------------------------------------------Hexapep-1t3dC03 C:193-228           ---------------------------------- Pfam domains (3)
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh....hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhh.ee....ee....ee......ee....ee....ee....eee...........ee....ee....eee...ee....ee....ee........eee....eeee.....hhhhhh...... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEXAPEP_TRANSFERASES         -------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1t3d C   1 mSCEELEIVWNNIKAEARTLADCEPmLASFYHATLLKHENLGSALSYmLANKLSSPImPAIAIREVVEEAYAADPEmIASAACDIQAVRTRDPAVDKYSTPLLYLKGFHALQAYRIGHWLWNQGRRALAIFLQNQVSVTFQVDIHPAAKIGRGImLDHATGIVVGETAVIENDVSILQSVTLGGTGKSGGDRHPKIREGVmIGAGAKILGNIEVGRGAKIGAGSVVLQPVPPHTTAAGVPARIVGKPDSDKPSmDmDQHFNG 262
                            |       10        20     |  30        40       |50       |60        70      | 80        90       100       110       120       130       140       150    |  160       170       180       190       200|      210       220       230       240       250   | | 260  
                            |                       26-MSE                48-MSE    58-MSE             77-MSE                                                                       155-MSE                                       201-MSE                                              254-MSE    
                            1-MSE                                                                                                                                                                                                                                                        256-MSE

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)

Escherichia coli [TaxId: 562] (1)

1a	d1t3da_	A:
1b	d1t3db_	B:
1c	d1t3dc_	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)

Escherichia coli. Organism_taxid: 562. (1)

1a	1t3dA01	A:3-142
1b	1t3dB01	B:3-142
1c	1t3dC01	C:3-142

Class: Mainly Beta (13760)

Architecture: 3 Solenoid (196)

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

Homologous Superfamily: Hexapeptide repeat proteins (85)

Escherichia coli. Organism_taxid: 562. (10)

2a	1t3dA02	A:143-262
2b	1t3dB02	B:143-262
2c	1t3dC02	C:143-262

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: no clan defined [family: Hexapep] (52)

Family: Hexapep (52)

Escherichia coli (strain K12) (13)

1a	Hexapep-1t3dC01	C:193-228
1b	Hexapep-1t3dC02	C:193-228
1c	Hexapep-1t3dC03	C:193-228

Clan: no clan defined [family: SATase_N] (8)

Family: SATase_N (8)

Escherichia coli (strain K12) (1)

2a	SATase_N-1t3dC04	C:9-113
2b	SATase_N-1t3dC05	C:9-113
2c	SATase_N-1t3dC06	C:9-113

Asymmetric Unit(hide GO term definitions)

Chain A,B,C (CYSE_ECOLI | P0A9D4)

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:0009333	cysteine synthase complex	Cysteine synthase is a multienzyme complex made up, in E. coli, of the heteromeric hexamer serine acetyltransferase and the homodimer O-acetylserine (thiol)-lyase A.
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

Asymmetric Unit
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		Val B:239 - Pro B:240	[ RasMol ]
		Val C:239 - Pro C:240	[ RasMol ]

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Description

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Ligands, Modified Residues, Ions (2, 30)

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