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(-) Description

Title :  CRYSTAL STRUCTURE OF A SULFUR CARRIER PROTEIN COMPLEX FOUND IN THE CYSTEINE BIOSYNTHETIC PATHWAY OF MYCOBACTERIUM TUBERCULOSIS
 
Authors :  C. T. Jurgenson, K. E. Burns, T. P. Begley, S. E. Ealick
Date :  22 Jul 08  (Deposition) - 23 Sep 08  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.53
Chains :  Asym./Biol. Unit :  A,B,C
Keywords :  Sulfur Carrier Protein Complex, Beta-Grasp Fold, Amino-Acid Biosynthesis, Cysteine Biosynthesis, Pyridoxal Phosphate, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. T. Jurgenson, K. E. Burns, T. P. Begley, S. E. Ealick
Crystal Structure Of A Sulfur Carrier Protein Complex Found In The Cysteine Biosynthetic Pathway Of Mycobacterium Tuberculosis.
Biochemistry V. 47 10354 2008
PubMed-ID: 18771296  |  Reference-DOI: 10.1021/BI800915J

(-) Compounds

Molecule 1 - CYSTEINE SYNTHASE B
    Atcc: 25618
    Chains: A, B
    EC Number: 2.5.1.47
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET16B
    Expression System Strain: BL21(DE3)B834
    Expression System Vector Type: PLASMID
    Gene: CYSM, RV1336, MT1377, MTCY130.21
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS
    Organism Taxid: 83332
    Strain: H37RV
    Synonym: O-ACETYLSERINE SULFHYDRYLASE B, O-ACETYLSERINE(THIOL)-LYASE B, CSASE B
 
Molecule 2 - 9.5 KDA CULTURE FILTRATE ANTIGEN CFP10A
    Atcc: 25618
    Chains: C
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET16B
    Expression System Strain: BL21(DE3)
    Expression System Vector Type: PLASMID
    Gene: CFP10A, RV1335, MT1376.1, MTCY130.20
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS
    Organism Taxid: 83332
    Strain: H37RV

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit : ABC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1PLP2Ligand/IonPYRIDOXAL-5'-PHOSPHATE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELYS A:51 , ASN A:81 , GLY A:184 , THR A:185 , THR A:186 , GLY A:187 , THR A:188 , SER A:265 , ALA A:294 , ASP A:295 , HOH A:404 , HOH A:411 , HOH A:448BINDING SITE FOR RESIDUE PLP A 401
2AC2SOFTWARELYS B:51 , ASN B:81 , GLY B:184 , THR B:185 , THR B:186 , GLY B:187 , THR B:188 , SER B:265 , ALA B:294 , ASP B:295 , TRP B:322 , ALA B:323 , HOH B:616 , HOH B:618 , HOH B:628 , HOH B:757BINDING SITE FOR RESIDUE PLP B 401

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CYS_SYNTHASEPS00901 Cysteine synthase/cystathionine beta-synthase P-phosphate attachment site.CYSM_MYCTO40-58
 		  2A:40-58
B:40-58
CYSM_MYCTU40-58
 		  2A:40-58
B:40-58

(-) Exons   (0, 0)

(no "Exon" information available for 3DWG)

(-) Sequences/Alignments

Asymmetric/Biological 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:325
 aligned with CYSM_MYCTO | P9WP52 from UniProtKB/Swiss-Prot  Length:323

    Alignment length:325
                              1                                                                                                                                                                                                                                                                                                                                  
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318     
           CYSM_MYCTO     - --MTRYDSLLQALGNTPLVGLQRLSPRWDDGRDGPHVRLWAKLEDRNPTGSIKDRPAVRMIEQAEADGLLRPGATILEPTSGNTGISLAMAARLKGYRLICVMPENTSVERRQLLELYGAQIIFSAAEGGSNTAVATAKELAATNPSWVMLYQYGNPANTDSHYCGTGPELLADLPEITHFVAGLGTTGTLMGTGRFLREHVANVKIVAAEPRYGEGVYALRNMDEGFVPELYDPEILTARYSVGAVDAVRRTRELVHTEGIFAGISTGAVLHAALGVGAGALAAGERADIALVVADAGWKYLSTGAYAGSLDDAETALEGQLWA 323
               SCOP domains d3dwga_ A: automated matches                                                                                                                                                                                                                                                                                                          SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....ee..hhhhh....eee................eeeeeee.........hhhhhhhhhhhhhhh.......eeeee..hhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhhh.eeeee....hhhhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhh....eeeee...hhhhhhhhhhhhhhh...eeeeeeee.hhhhhh..hhhhh......hhhhh.eeeeeehhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh..eeeeeee..hhhhhhhhh....hhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------CYS_SYNTHASE       ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3dwg A  -1 RHMTRYDSLLQALGNTPLVGLQRLSPRWDDGRDGPHVRLWAKLEDRNPTGSIKDRPAVRMIEQAEADGLLRPGATILEPTSGNTGISLAMAARLKGYRLICVMPENTSVERRQLLELYGAQIIFSAAEGGSNTAVATAKELAATNPSWVMLYQYGNPANTDSHYCGTGPELLADLPEITHFVAGLGTTGTLMGTGRFLREHVANVKIVAAEPRYGEGVYALRNMDEGFVPELYDPEILTARYSVGAVDAVRRTRELVHTEGIFAGISTGAVLHAALGVGAGALAAGERADIALVVADAGWKYLSTGAYAGSLDDAETALEGQLWA 323
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318     


Chain A from PDB  Type:PROTEIN  Length:325
 aligned with CYSM_MYCTU | P9WP53 from UniProtKB/Swiss-Prot  Length:323

    Alignment length:325
                              1                                                                                                                                                                                                                                                                                                                                  
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318     
           CYSM_MYCTU     - --MTRYDSLLQALGNTPLVGLQRLSPRWDDGRDGPHVRLWAKLEDRNPTGSIKDRPAVRMIEQAEADGLLRPGATILEPTSGNTGISLAMAARLKGYRLICVMPENTSVERRQLLELYGAQIIFSAAEGGSNTAVATAKELAATNPSWVMLYQYGNPANTDSHYCGTGPELLADLPEITHFVAGLGTTGTLMGTGRFLREHVANVKIVAAEPRYGEGVYALRNMDEGFVPELYDPEILTARYSVGAVDAVRRTRELVHTEGIFAGISTGAVLHAALGVGAGALAAGERADIALVVADAGWKYLSTGAYAGSLDDAETALEGQLWA 323
               SCOP domains d3dwga_ A: automated matches                                                                                                                                                                                                                                                                                                          SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....ee..hhhhh....eee................eeeeeee.........hhhhhhhhhhhhhhh.......eeeee..hhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhhh.eeeee....hhhhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhh....eeeee...hhhhhhhhhhhhhhh...eeeeeeee.hhhhhh..hhhhh......hhhhh.eeeeeehhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh..eeeeeee..hhhhhhhhh....hhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------CYS_SYNTHASE       ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3dwg A  -1 RHMTRYDSLLQALGNTPLVGLQRLSPRWDDGRDGPHVRLWAKLEDRNPTGSIKDRPAVRMIEQAEADGLLRPGATILEPTSGNTGISLAMAARLKGYRLICVMPENTSVERRQLLELYGAQIIFSAAEGGSNTAVATAKELAATNPSWVMLYQYGNPANTDSHYCGTGPELLADLPEITHFVAGLGTTGTLMGTGRFLREHVANVKIVAAEPRYGEGVYALRNMDEGFVPELYDPEILTARYSVGAVDAVRRTRELVHTEGIFAGISTGAVLHAALGVGAGALAAGERADIALVVADAGWKYLSTGAYAGSLDDAETALEGQLWA 323
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318     


Chain B from PDB  Type:PROTEIN  Length:321
 aligned with CYSM_MYCTO | P9WP52 from UniProtKB/Swiss-Prot  Length:323

    Alignment length:325
                              1                                                                                                                                                                                                                                                                                                                                  
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318     
           CYSM_MYCTO     - --MTRYDSLLQALGNTPLVGLQRLSPRWDDGRDGPHVRLWAKLEDRNPTGSIKDRPAVRMIEQAEADGLLRPGATILEPTSGNTGISLAMAARLKGYRLICVMPENTSVERRQLLELYGAQIIFSAAEGGSNTAVATAKELAATNPSWVMLYQYGNPANTDSHYCGTGPELLADLPEITHFVAGLGTTGTLMGTGRFLREHVANVKIVAAEPRYGEGVYALRNMDEGFVPELYDPEILTARYSVGAVDAVRRTRELVHTEGIFAGISTGAVLHAALGVGAGALAAGERADIALVVADAGWKYLSTGAYAGSLDDAETALEGQLWA 323
               SCOP domains d3dwgb_ B: automated matches                                                                                                                                                                                                                                                                                                          SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....ee.hhhhhh....eee................eeeeeee.hhh.....hhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhhh.eeeee..----.hhhhhhhhhhhhh...ee.....hhhhhhhhhhhhhhhhhhhh....eeeee...hhhhhhhhhhhhhhh...eeeeeeee.......hhhhh...hhhhhh.....eeeeeehhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh...eeeeeee...hhhhh.......hhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -----------------------------------------CYS_SYNTHASE       ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3dwg B  -1 RHMTRYDSLLQALGNTPLVGLQRLSPRWDDGRDGPHVRLWAKLEDRNPTGSIKDRPAVRMIEQAEADGLLRPGATILEPTSGNTGISLAMAARLKGYRLICVMPENTSVERRQLLELYGAQIIFSAA----NTAVATAKELAATNPSWVMLYQYGNPANTDSHYCGTGPELLADLPEITHFVAGLGTTGTLMGTGRFLREHVANVKIVAAEPRYGEGVYALRNMDEGFVPELYDPEILTARYSVGAVDAVRRTRELVHTEGIFAGISTGAVLHAALGVGAGALAAGERADIALVVADAGWKYLSTGAYAGSLDDAETALEGQLWA 323
                                     8        18        28        38        48        58        68        78        88        98       108       118      |  - |     138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318     
                                                                                                                                                        125  130                                                                                                                                                                                                 


Chain B from PDB  Type:PROTEIN  Length:321
 aligned with CYSM_MYCTU | P9WP53 from UniProtKB/Swiss-Prot  Length:323

    Alignment length:325
                              1                                                                                                                                                                                                                                                                                                                                  
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318     
           CYSM_MYCTU     - --MTRYDSLLQALGNTPLVGLQRLSPRWDDGRDGPHVRLWAKLEDRNPTGSIKDRPAVRMIEQAEADGLLRPGATILEPTSGNTGISLAMAARLKGYRLICVMPENTSVERRQLLELYGAQIIFSAAEGGSNTAVATAKELAATNPSWVMLYQYGNPANTDSHYCGTGPELLADLPEITHFVAGLGTTGTLMGTGRFLREHVANVKIVAAEPRYGEGVYALRNMDEGFVPELYDPEILTARYSVGAVDAVRRTRELVHTEGIFAGISTGAVLHAALGVGAGALAAGERADIALVVADAGWKYLSTGAYAGSLDDAETALEGQLWA 323
               SCOP domains d3dwgb_ B: automated matches                                                                                                                                                                                                                                                                                                          SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....ee.hhhhhh....eee................eeeeeee.hhh.....hhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhhh.eeeee..----.hhhhhhhhhhhhh...ee.....hhhhhhhhhhhhhhhhhhhh....eeeee...hhhhhhhhhhhhhhh...eeeeeeee.......hhhhh...hhhhhh.....eeeeeehhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh...eeeeeee...hhhhh.......hhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------CYS_SYNTHASE       ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3dwg B  -1 RHMTRYDSLLQALGNTPLVGLQRLSPRWDDGRDGPHVRLWAKLEDRNPTGSIKDRPAVRMIEQAEADGLLRPGATILEPTSGNTGISLAMAARLKGYRLICVMPENTSVERRQLLELYGAQIIFSAA----NTAVATAKELAATNPSWVMLYQYGNPANTDSHYCGTGPELLADLPEITHFVAGLGTTGTLMGTGRFLREHVANVKIVAAEPRYGEGVYALRNMDEGFVPELYDPEILTARYSVGAVDAVRRTRELVHTEGIFAGISTGAVLHAALGVGAGALAAGERADIALVVADAGWKYLSTGAYAGSLDDAETALEGQLWA 323
                                     8        18        28        38        48        58        68        78        88        98       108       118      |  - |     138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318     
                                                                                                                                                        125  130                                                                                                                                                                                                 


Chain C from PDB  Type:PROTEIN  Length:92
 aligned with CYSO_MYCTO | P9WP32 from UniProtKB/Swiss-Prot  Length:93

    Alignment length:92
                                    11        21        31        41        51        61        71        81        91  
           CYSO_MYCTO     2 NVTVSIPTILRPHTGGQKSVSASGDTLGAVISDLEANYSGISERLMDPSSPGKLHRFVNIYVNDEDVRFSGGLATAIADGDSVTILPAVAGG  93
               SCOP domains -------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee.hhhhhhhh....eeee...hhhhhhhhhhhhh.hhhhhhh...........eeeee..ee.hhhhhhhh......eeeeee..... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------- Transcript
                 3dwg C   2 NVTVSIPTILRPHTGGQKSVSASGDTLGAVISDLEANYSGISERLMDPSSPGKLHRFVNIYVNDEDVRFSGGLATAIADGDSVTILPAVAGG  93
                                    11        21        31        41        51        61        71        81        91  


Chain C from PDB  Type:PROTEIN  Length:92
 aligned with CYSO_MYCTU | P9WP33 from UniProtKB/Swiss-Prot  Length:93

    Alignment length:92
                                    11        21        31        41        51        61        71        81        91  
           CYSO_MYCTU     2 NVTVSIPTILRPHTGGQKSVSASGDTLGAVISDLEANYSGISERLMDPSSPGKLHRFVNIYVNDEDVRFSGGLATAIADGDSVTILPAVAGG  93
               SCOP domains -------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee.hhhhhhhh....eeee...hhhhhhhhhhhhh.hhhhhhh...........eeeee..ee.hhhhhhhh......eeeeee..... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------- Transcript
                 3dwg C   2 NVTVSIPTILRPHTGGQKSVSASGDTLGAVISDLEANYSGISERLMDPSSPGKLHRFVNIYVNDEDVRFSGGLATAIADGDSVTILPAVAGG  93
                                    11        21        31        41        51        61        71        81        91
   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  (1, 2)

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

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (11, 23)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (CYSM_MYCTU | P9WP53)
molecular function
    GO:0033847    O-phosphoserine sulfhydrylase activity    Catalysis of the reaction: O-phospho-L-serine + hydrogen sulfide = L-cysteine + phosphate.
    GO:0004124    cysteine synthase activity    Catalysis of the reaction: O3-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0030170    pyridoxal phosphate binding    Interacting selectively and non-covalently with pyridoxal 5' phosphate, 3-hydroxy-5-(hydroxymethyl)-2-methyl4-pyridine carboxaldehyde 5' phosphate, the biologically active form of vitamin B6.
    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.
cellular component
    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.
    GO:0043234    protein complex    A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.

Chain A,B   (CYSM_MYCTO | P9WP52)
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.

Chain C   (CYSO_MYCTO | P9WP32)
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.

Chain C   (CYSO_MYCTU | P9WP33)
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:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0043234    protein complex    A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.

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 Databases and Analysis Tools

(-) Databases

Access by PDB/NDB ID
  3dwg
    Family and Domain Information: ProDom | SYSTERS
    General Structural Information: GlycoscienceDB | MMDB | NDB | OCA | PDB | PDBe | PDBj | PDBsum | PDBWiki | PQS | PROTEOPEDIA
    Orientation in Membranes: OPM
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    Secondary Structure: DSSP (structure derived) | HSSP (homology derived)
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    Structure Classification: CATH | Dali | SCOP
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Access by UniProt ID/Accession number
  CYSM_MYCTO | P9WP52
    Comparative Protein Structure Models: ModBase
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    Sequence, Family and Domain Information: InterPro | Pfam | SMART | UniProtKB/SwissProt
  CYSM_MYCTU | P9WP53
    Comparative Protein Structure Models: ModBase
    Genomic Information: Ensembl
    Protein-protein Interaction: DIP
    Sequence, Family and Domain Information: InterPro | Pfam | SMART | UniProtKB/SwissProt
  CYSO_MYCTO | P9WP32
    Comparative Protein Structure Models: ModBase
    Genomic Information: Ensembl
    Protein-protein Interaction: DIP
    Sequence, Family and Domain Information: InterPro | Pfam | SMART | UniProtKB/SwissProt
  CYSO_MYCTU | P9WP33
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    Protein-protein Interaction: DIP
    Sequence, Family and Domain Information: InterPro | Pfam | SMART | UniProtKB/SwissProt
 
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  2.5.1.47
    General Enzyme Information: BRENDA | EC-PDB | Enzyme | IntEnz
    Pathway: KEGG | MetaCyc
 
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  (no 'MIM ID' available)
    Disease Information: OMIM
 
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    Age Related Information: GenAge

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    Domain Information: XDom
    Interatomic Contacts of Structural Units: CSU
    Ligand-protein Contacts: LPC
    Protein Cavities: castP
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  CYSM_MYCTO | P9WP52
    Protein Disorder Prediction: DisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)
  CYSM_MYCTU | P9WP53
    Protein Disorder Prediction: DisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)
  CYSO_MYCTO | P9WP32
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  CYSO_MYCTU | P9WP33
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        CYSM_MYCTO | P9WP52: 3dki 3dwi 3fgp 5i7a
        CYSM_MYCTU | P9WP53: 3dki 3dwi 3fgp 5i6d 5i7a 5i7h 5i7o 5i7r 5iw8 5iwc
        CYSO_MYCTO | P9WP32: 3dwm
        CYSO_MYCTU | P9WP33: 3dwm

(-) Related Entries Specified in the PDB File

3dwi CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS CYSM, THE CYSTEINE SYNTHASE B
3dwm CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS CYSO, AN ANTIGEN