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(-) Description

Title :  X-RAY CRYSTAL STRUCTURE OF HOMOSERINE O-ACETYLTRANSFERASE FROM BACILLUS ANTHRACIS
 
Authors :  J. Osipiuk, M. Zhou, S. Grimshaw, W. F. Anderson, A. Joachimiak
Date :  26 Jun 09  (Deposition) - 07 Jul 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.44
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Biol. Unit 2:  A,B  (2x)
Keywords :  Structural Genomics, Idp01610, Homoserine, O-Acetyltransferase, Bacillus Anthracis, Transferase, Center For Structural Genomics Of Infectious Diseases, Csgid (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Osipiuk, M. Zhou, S. Grimshaw, W. F. Anderson, A. Joachimiak
X-Ray Crystal Structure Of Homoserine O-Acetyltransferase From Bacillus Anthracis.
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - HOMOSERINE O-ACETYLTRANSFERASE
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PMCSG7
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: BAS4629, BA_4983, GBAA4983, GBAA_4983
    Organism Common: ANTHRAX BACTERIUM
    Organism Scientific: BACILLUS ANTHRACIS STR. 'AMES ANCESTOR'
    Organism Taxid: 261594
    Strain: AMES ANCESTOR, A2084

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (2x): AB
Biological Unit 2 (2x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 38)

Asymmetric Unit (4, 38)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2GOL1Ligand/IonGLYCEROL
3MSE34Mod. Amino AcidSELENOMETHIONINE
4PO42Ligand/IonPHOSPHATE ION
Biological Unit 1 (4, 76)
No.NameCountTypeFull Name
1ACT2Ligand/IonACETATE ION
2GOL2Ligand/IonGLYCEROL
3MSE68Mod. Amino AcidSELENOMETHIONINE
4PO44Ligand/IonPHOSPHATE ION
Biological Unit 2 (4, 76)
No.NameCountTypeFull Name
1ACT2Ligand/IonACETATE ION
2GOL2Ligand/IonGLYCEROL
3MSE68Mod. Amino AcidSELENOMETHIONINE
4PO44Ligand/IonPHOSPHATE ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:230 , GLU A:231 , HIS A:232 , ARG A:321 , HOH A:393BINDING SITE FOR RESIDUE PO4 A 501
2AC2SOFTWARETHR A:104 , HOH A:421 , HOH A:513BINDING SITE FOR RESIDUE ACT A 503
3AC3SOFTWAREARG A:131 , HIS A:164 , GLU B:210BINDING SITE FOR RESIDUE GOL A 504
4AC4SOFTWAREASP B:230 , GLU B:231 , ARG B:321 , HOH B:396BINDING SITE FOR RESIDUE PO4 B 502

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3I1I)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3I1I)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3I1I)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3I1I)

(-) Exons   (0, 0)

(no "Exon" information available for 3I1I)

(-) Sequences/Alignments

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:373
 aligned with Q81KL4_BACAN | Q81KL4 from UniProtKB/TrEMBL  Length:374

    Alignment length:373
                                    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       270       280       290       300       310       320       330       340       350       360       370   
         Q81KL4_BACAN     1 MQIVKKEKFILKEYTFENGRTIPVQMGYETYGTLNRERSNVILICHYFSATSHAAGKYTAHDEESGWWDGLIGPGKAIDTNQYFVICTDNLCNVQVKNPHVITTGPKSINPKTGDEYAMDFPVFTFLDVARMQCELIKDMGIARLHAVMGPSAGGMIAQQWAVHYPHMVERMIGVITNPQNPIITSVNVAQNAIEAIRLDPSWKGGKYGEEQPMKGLQLANRMMFMNAFDEHFYETTYPRNSIEVEPYEKVSSLTSFEKEINKLTYRSIELVDANSWMYTAKAVLLHDIAHGFSSLEEALSNVEANVLMIPCKQDLLQPSRYNYKMVDLLQKQGKYAEVYEIESINGHMAGVFDIHLFEKKVYEFLNRKVSSF 373
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeeeeeee.....eeeeeeeeeee.........eeeee..........................ee....ee....eeeee............................hhhhh...hhhhhhhhhhhhhhhh......eeeeehhhhhhhhhhhhhh.....eeeee......hhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhh...hhhhhhhhh......hhhhh.....hhhhhhhhhhhhhh....hhhhhhhhhhhhhhh.......hhhhhhhh...eeeee.........hhhhhhhhhhhhhh...eee......hhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3i1i A   1 mQIVKKEKFILKEYTFENGRTIPVQmGYETYGTLNRERSNVILICHYFSATSHAAGKYTAHDEESGWWDGLIGPGKAIDTNQYFVICTDNLCNVQVKNPHVITTGPKSINPKTGDEYAmDFPVFTFLDVARmQCELIKDmGIARLHAVmGPSAGGmIAQQWAVHYPHmVERmIGVITNPQNPIITSVNVAQNAIEAIRLDPSWKGGKYGEEQPmKGLQLANRmmFmNAFDEHFYETTYPRNSIEVEPYEKVSSLTSFEKEINKLTYRSIELVDANSWmYTAKAVLLHDIAHGFSSLEEALSNVEANVLmIPCKQDLLQPSRYNYKmVDLLQKQGKYAEVYEIESINGHmAGVFDIHLFEKKVYEFLNRKVSSF 373
                            |       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       270       280       290       300       310       320     | 330       340       350       360       370   
                            |                       26-MSE                                                                                      119-MSE      132-MSE 140-MSE  149-MSE  |         168-MSE                                       214-MSE  223-MSE                                                278-MSE                        309-MSE          326-MSE                349-MSE                    
                            1-MSE                                                                                                                                                    156-MSE         172-MSE                                             224-MSE                                                                                                                                                 
                                                                                                                                                                                                                                                           226-MSE                                                                                                                                               


Chain B from PDB  Type:PROTEIN  Length:372
 aligned with Q81KL4_BACAN | Q81KL4 from UniProtKB/TrEMBL  Length:374

    Alignment length:372
                                    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       270       280       290       300       310       320       330       340       350       360       370  
         Q81KL4_BACAN     1 MQIVKKEKFILKEYTFENGRTIPVQMGYETYGTLNRERSNVILICHYFSATSHAAGKYTAHDEESGWWDGLIGPGKAIDTNQYFVICTDNLCNVQVKNPHVITTGPKSINPKTGDEYAMDFPVFTFLDVARMQCELIKDMGIARLHAVMGPSAGGMIAQQWAVHYPHMVERMIGVITNPQNPIITSVNVAQNAIEAIRLDPSWKGGKYGEEQPMKGLQLANRMMFMNAFDEHFYETTYPRNSIEVEPYEKVSSLTSFEKEINKLTYRSIELVDANSWMYTAKAVLLHDIAHGFSSLEEALSNVEANVLMIPCKQDLLQPSRYNYKMVDLLQKQGKYAEVYEIESINGHMAGVFDIHLFEKKVYEFLNRKVSS 372
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ......eeeeeeeee.....eeeeeeeeeee.........eeee...........................ee....ee....eeeee............................hhhhh...hhhhhhhhhhhhhhhh......eeeeehhhhhhhhhhhhhhhhhh.eeeee......hhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhh...hhhhhhhhh......hhhhh.....hhhhhhhhhhhhhh....hhhhhhhhhhhhhhh.......hhhhhhhh...eeeee.........hhhhhhhhhhhhhh...eee......hhhhhhhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3i1i B   1 mQIVKKEKFILKEYTFENGRTIPVQmGYETYGTLNRERSNVILICHYFSATSHAAGKYTAHDEESGWWDGLIGPGKAIDTNQYFVICTDNLCNVQVKNPHVITTGPKSINPKTGDEYAmDFPVFTFLDVARmQCELIKDmGIARLHAVmGPSAGGmIAQQWAVHYPHmVERmIGVITNPQNPIITSVNVAQNAIEAIRLDPSWKGGKYGEEQPmKGLQLANRmmFmNAFDEHFYETTYPRNSIEVEPYEKVSSLTSFEKEINKLTYRSIELVDANSWmYTAKAVLLHDIAHGFSSLEEALSNVEANVLmIPCKQDLLQPSRYNYKmVDLLQKQGKYAEVYEIESINGHmAGVFDIHLFEKKVYEFLNRKVSS 372
                            |       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       270       280       290       300       310       320     | 330       340       350       360       370  
                            1-MSE                   26-MSE                                                                                      119-MSE      132-MSE 140-MSE  149-MSE  |         168-MSE                                       214-MSE  223-MSE                                                278-MSE                        309-MSE          326-MSE                349-MSE                   
                                                                                                                                                                                     156-MSE         172-MSE                                             224-MSE                                                                                                                                                
                                                                                                                                                                                                                                                           226-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 '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3I1I)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3I1I)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3I1I)

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q81KL4_BACAN | Q81KL4)
molecular function
    GO:0004414    homoserine O-acetyltransferase activity    Catalysis of the reaction: L-homoserine + acetyl-CoA = O-acetyl-L-homoserine + 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:0009086    methionine biosynthetic process    The chemical reactions and pathways resulting in the formation of methionine (2-amino-4-(methylthio)butanoic acid), a sulfur-containing, essential amino acid found in peptide linkage in proteins.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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