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(-) Description

Title :  STRUCTURE OF A CYSTEINE SYNTHASE (O-ACETYLSERINE SULFHYDRYLASE (OASS)) FROM MYCOBACTERIUM MARINUM ATCC BAA-535 / M
 
Authors :  Seattle Structural Genomics Center For Infectious Disease (S
Date :  28 Apr 11  (Deposition) - 11 May 11  (Release) - 22 Apr 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.95
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Keywords :  O-Acetylserine Sulfhydrylase (Oass), Cysteine Synthase, Structural Genomics, Seattle Structural Genomics Center For Infectious Disease, Ssgcid, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. Baugh, I. Phan, D. W. Begley, M. C. Clifton, B. Armour, D. M. Dranow, B. M. Taylor, M. M. Muruthi, J. Abendroth, J. W. Fairman, D. Fox, S. H. Dieterich, B. L. Staker, A. S. Gardberg, R. Choi, S. N. Hewitt, A. J. Napuli, J. Myers, L. K. Barrett, Y. Zhang, M. Ferrell, E. Mundt, K. Thompkins, N. Tran, S. Lyons-Abbott, A. Abramov, A. Sekar, D. Serbzhinskiy, D. Lorimer, G. W. Buchko, R. Stacy, L. J. Stewart, T. E. Edwards, W. C. Van Voorhis, P. J. Myler
Increasing The Structural Coverage Of Tuberculosis Drug Targets.
Tuberculosis (Edinb) V. 95 142 2015
PubMed-ID: 25613812  |  Reference-DOI: 10.1016/J.TUBE.2014.12.003

(-) Compounds

Molecule 1 - CYSTEINE SYNTHASE
    Chains: A
    EC Number: 2.5.1.47
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: CYSK1, MMAR_3645
    Organism Scientific: MYCOBACTERIUM MARINUM
    Organism Taxid: 216594
    Strain: ATCC BAA-535 / M

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (1x): A
Biological Unit 2 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3RR2)

(-) Sites  (0, 0)

(no "Site" information available for 3RR2)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3RR2)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3RR2)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3RR2)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3RR2)

(-) Exons   (0, 0)

(no "Exon" information available for 3RR2)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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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:291
 aligned with B2HL85_MYCMM | B2HL85 from UniProtKB/TrEMBL  Length:310

    Alignment length:300
                             1                                                                                                                                                                                                                                                                                                          
                             |       9        19        29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299
         B2HL85_MYCMM     - -MTIAENITQLIGGTPLVRLRRVTDGAAADVVAKLESFNPAGSIKDRIGVAMIDAAEKAGLIKPDTIILEPTSGNTGIALAMVSAARGYKCVLTMPDTMSIERRMLLRAYGAELVLTPGAEGMAGAIAKAEELAKTDDRYFIPQQFENPANPAVHAVTTAEEVWRDTDGKVDIFVSGVGTGGTITGVAQVIKQRRPSAQFVAVEPAASPVLSGGQKGPHPIQGIGAGFVPPVLDLALVDEVITVGNDDALELARRMATEEGLLVGISSGAAVWAARELAHRPENAGKLIVVVLPDFGERY 299
               SCOP domains d3rr2a_ A: automated matches                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains -------PALP-3rr2A01 A:7-294                                                                                                                                                                                                                                                                            ----- Pfam domains
         Sec.struct. author ......hhhhhh....eee..........eeeeee.hhh....hhhhhhhhhhhhhhhh.......eeeee..hhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhh..eeeee.----hhhhhhhhhhhhhhh..ee...........hhhhhhhhhhhhhhh.....eeeee...hhhhhhhhhhhhhhh...eeeeeeee....-----........................eeeeeehhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh..eeeeee....... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3rr2 A   0 SMTIAENITQLIGGTPLVRLRRVTDGAAADVVAKLESFNPAGSIKDRIGVAMIDAAEKAGLIKPDTIILEPTSGNTGIALAMVSAARGYKCVLTMPDTMSIERRMLLRAYGAELVLTP----MAGAIAKAEELAKTDDRYFIPQQFENPANPAVHAVTTAEEVWRDTDGKVDIFVSGVGTGGTITGVAQVIKQRRPSAQFVAVEPAASPV-----KGPHPIQGIGAGFVPPVLDLALVDEVITVGNDDALELARRMATEEGLLVGISSGAAVWAARELAHRPENAGKLIVVVLPDFGERY 299
                                     9        19        29        39        49        59        69        79        89        99       109       | -  |    129       139       149       159       169       179       189       199       209     | 219       229       239       249       259       269       279       289       299
                                                                                                                                               117  122                                                                                    209   215
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3RR2)

(-) Pfam Domains  (1, 1)

Asymmetric Unit
(-)
Clan: no clan defined [family: PALP] (67)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A   (B2HL85_MYCMM | B2HL85)
molecular function
    GO:0004124    cysteine synthase activity    Catalysis of the reaction: O3-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate.
    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.
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.

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