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(-) Description

Title :  LEISHMANIA MAJOR CYSTEINE SYNTHASE
 
Authors :  P. K. Fyfe, G. D. Westrop, G. H. Coombs, W. N. Hunter
Date :  13 Feb 12  (Deposition) - 29 Feb 12  (Release) - 18 Jul 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. K. Fyfe, G. D. Westrop, T. Ramos, S. Muller, G. H. Coombs, W. N. Hunter
Structure Of Leishmania Major Cysteine Synthase.
Acta Crystallogr. , Sect. F V. 68 738 2012
PubMed-ID: 22750854  |  Reference-DOI: 10.1107/S1744309112019124
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYSTEINE SYNTHASE
    Chains: A, B
    EC Number: 2.5.1.47
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET15BTEV
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Organism Scientific: LEISHMANIA MAJOR
    Organism Taxid: 5664

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 11)

Asymmetric/Biological Unit (2, 11)
No.NameCountTypeFull Name
1CL2Ligand/IonCHLORIDE ION
2FGA9Ligand/IonGAMMA-D-GLUTAMIC ACID

(-) Sites  (11, 11)

Asymmetric Unit (11, 11)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREMET A:106 , FGA A:1328 , HOH A:2173BINDING SITE FOR RESIDUE FGA A1327
02AC2SOFTWAREMET A:106 , SER A:107 , THR A:310 , ALA A:311 , FGA A:1327 , FGA A:1329 , HOH A:2171 , HOH A:2174 , HOH A:2184 , HOH A:2326BINDING SITE FOR RESIDUE FGA A1328
03AC3SOFTWAREGLY A:272 , PHE A:273 , TYR A:307 , ALA A:311 , LEU A:312 , FGA A:1328 , FGA A:1330 , HOH A:2358 , HOH A:2360BINDING SITE FOR RESIDUE FGA A1329
04AC4SOFTWAREGLY A:81 , ASN A:82 , PHE A:273 , SER A:274 , TYR A:307 , FGA A:1329 , FGA A:1331 , HOH A:2146 , HOH A:2317 , HOH A:2356 , HOH A:2357BINDING SITE FOR RESIDUE FGA A1330
05AC5SOFTWARELYS A:51 , GLY A:81 , ASN A:82 , THR A:83 , FGA A:1330 , HOH A:2107 , HOH A:2138 , HOH A:2140 , HOH A:2354 , HOH A:2355BINDING SITE FOR RESIDUE FGA A1331
06AC6SOFTWAREGLY B:272 , PHE B:273 , TYR B:307 , FGA B:1328BINDING SITE FOR RESIDUE FGA B1327
07AC7SOFTWAREGLY B:81 , ASN B:82 , PHE B:273 , SER B:274 , TYR B:307 , FGA B:1327 , FGA B:1329 , HOH B:2135 , HOH B:2284BINDING SITE FOR RESIDUE FGA B1328
08AC8SOFTWARELYS B:51 , GLY B:81 , ASN B:82 , THR B:83 , ARG B:110 , FGA B:1328 , FGA B:1330 , HOH B:2093 , HOH B:2126 , HOH B:2340BINDING SITE FOR RESIDUE FGA B1329
09AC9SOFTWARESER B:79 , SER B:80 , ARG B:110 , MET B:130 , FGA B:1329 , HOH B:2128BINDING SITE FOR RESIDUE FGA B1330
10BC1SOFTWAREGLY A:272 , GLY A:275 , PRO A:301 , SER A:302BINDING SITE FOR RESIDUE CL A1428
11BC2SOFTWAREGLY B:272 , SER B:274 , GLY B:275 , PRO B:301 , SER B:302BINDING SITE FOR RESIDUE CL B1428

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4AIR)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4AIR)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4AIR)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4AIR)

(-) Exons   (0, 0)

(no "Exon" information available for 4AIR)

(-) 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:304
 aligned with Q4Q159_LEIMA | Q4Q159 from UniProtKB/TrEMBL  Length:333

    Alignment length:331
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332 
         Q4Q159_LEIMA     3 APFDKSRNVAQSIDQLIGQTPALYLNKLNNTKAKVVLKMECENPMASVKDRLGFAIYDKAEKEGKLIPGKSVVVESSSGNTGVSLAHLGAIRGYKVIITMPESMSLERRCLLRIFGAEVILTPAALGMKGAVTMAKKIVTANPNAVLADQFATKYNALIHEETTGPEIWEQTNHNVDCFIAGVGTGGTLTGVARALKKMGSHARIVAVEPMESPVLSGGKPGAHKIQGIGPGFVPDVLDRSLIDEVFCVAGDDAIETALKLTRSDGVFCGFSGGANVYAALKIAERPEMEGKTIVTIIPSFGERYLSTALYRSVRDEVSSLPVVDASELQD 333
               SCOP domains d4aira_ A: automated matches                                                                                                                                                                                                                                                                                                                SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........ee.hhhhhh....eee.........eeeeee.hhh....hhhhhhhhhhhhhhhh........eeeee..hhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhh..eeeeehhhhhhhhhhhhhhhhhhhh..eeehhhhhhhhhhhhhhhhhhhhhhhhh.....eeeee.....hhhhhhhhhhhh....eeeeeeee---------------------------hhhhh.eeeeeehhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh..eeeeee...hhhhh.hhhhhhhhhhhh.....hhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4air A   3 APFDKSRNVAQSIDQLIGQTPALYLNKLNNTKAKVVLKMECENPMASVKDRLGFAIYDKAEKEGKLIPGKSVVVESSSGNTGVSLAHLGAIRGYKVIITMPESMSLERRCLLRIFGAEVILTPAALGMKGAVTMAKKIVTANPNAVLADQFATKYNALIHEETTGPEIWEQTNHNVDCFIAGVGTGGTLTGVARALKKMGSHARIVAVEPM---------------------------DRSLIDEVFCVAGDDAIETALKLTRSDGVFCGFSGGANVYAALKIAERPEMEGKTIVTIIPSFGERYLSTALYRSVRDEVSSLPVVDASELQD 333
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212|        -         -       242       252       262       272       282       292       302       312       322       332 
                                                                                                                                                                                                                                            213                         241                                                                                            


Chain B from PDB  Type:PROTEIN  Length:304
 aligned with Q4Q159_LEIMA | Q4Q159 from UniProtKB/TrEMBL  Length:333

    Alignment length:330
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333
         Q4Q159_LEIMA     4 PFDKSRNVAQSIDQLIGQTPALYLNKLNNTKAKVVLKMECENPMASVKDRLGFAIYDKAEKEGKLIPGKSVVVESSSGNTGVSLAHLGAIRGYKVIITMPESMSLERRCLLRIFGAEVILTPAALGMKGAVTMAKKIVTANPNAVLADQFATKYNALIHEETTGPEIWEQTNHNVDCFIAGVGTGGTLTGVARALKKMGSHARIVAVEPMESPVLSGGKPGAHKIQGIGPGFVPDVLDRSLIDEVFCVAGDDAIETALKLTRSDGVFCGFSGGANVYAALKIAERPEMEGKTIVTIIPSFGERYLSTALYRSVRDEVSSLPVVDASELQD 333
               SCOP domains d4airb_ B: automated matches                                                                                                                                                                                                                                                                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..........hhhhhh....eee.........eeeeee.hhh....hhhhhhhhhhhhhhhh........eeee...hhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhh..eeeeehhhhhhhhhhhhhhhhhhhh..eeehhhhhhhhhhhhhhhhhhhhhhhhh.....eeeee.....hhhhhhhhhhhh....eeeeeeee.--------------------------hhhhh.eeeeeehhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh..eeeeee...hhhhh.hhhhhhhhhhhhh....hhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4air B   4 PFDKSRNVAQSIDQLIGQTPALYLNKLNNTKAKVVLKMECENPMASVKDRLGFAIYDKAEKEGKLIPGKSVVVESSSGNTGVSLAHLGAIRGYKVIITMPESMSLERRCLLRIFGAEVILTPAALGMKGAVTMAKKIVTANPNAVLADQFATKYNALIHEETTGPEIWEQTNHNVDCFIAGVGTGGTLTGVARALKKMGSHARIVAVEPME--------------------------DRSLIDEVFCVAGDDAIETALKLTRSDGVFCGFSGGANVYAALKIAERPEMEGKTIVTIIPSFGERYLSTALYRSVRDEVSSLPVVDASELQD 333
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213|        -         -       243       253       263       273       283       293       303       313       323       333
                                                                                                                                                                                                                                            214                        241
   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 4AIR)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4AIR)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (Q4Q159_LEIMA | Q4Q159)
molecular function
    GO:0004124    cysteine synthase activity    Catalysis of the reaction: O3-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate.
    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: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.

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