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(-) Description

Title :  CRYSTAL STRUCTURE OF O-ACETYL SERINE SULFHYDRYLASE IN COMPLEX WITH OCTAPEPTIDE DERIVED FROM SERINE ACETYL TRANSFERASE OF LEISHMANIA DONOVANI
 
Authors :  I. Raj, S. Gourinath
Date :  06 Aug 11  (Deposition) - 01 Aug 12  (Release) - 01 Aug 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.68
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Cysteine Synthase, Type Ii Plp Dependent Enzyme, Serine Acetyl Transferase, Tryptophan Synthase Beta Subunit-Like Plp-Dependent Enzymes, Sulfhydrylase, Transferase-Transferase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  I. Raj, S. Kumar, S. Gourinath
Crystal Structure Of O-Acetyl Serine Sulfhydrylase In Complex With Octapeptide Derived From Serine Acetyl Transferase Of Leishmania Donovani
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - O-ACETYL SERINE SULFHYDRYLASE
    Chains: A
    EC Number: 2.5.1.47
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET21C
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: LDOASS, OASS
    Organism Scientific: LEISHMANIA DONOVANI
    Organism Taxid: 5661
    Strain: MHOM/IM/1983/AG83
 
Molecule 2 - SERINE ACETYL TRANSFERASE DERIVED OCTAPEPTIDE
    Chains: B
    Engineered: YES
    Organism Scientific: LEISHMANIA DONOVANI
    Organism Taxid: 5661
    Other Details: SYNTHESIZED PEPTIDE
    Synthetic: YES

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (2, 2)
No.NameCountTypeFull Name
1LLP1Mod. Amino Acid2-LYSINE(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHANE)
2NA1Ligand/IonSODIUM ION
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1LLP2Mod. Amino Acid2-LYSINE(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHANE)
2NA-1Ligand/IonSODIUM ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREVAL A:141 , ASN A:144 , ALA A:147 , LEU A:218 , SER A:219 , ARG A:242 , HOH A:525BINDING SITE FOR RESIDUE NA A 335
2AC2SOFTWARESER A:79 , SER A:80 , GLY A:81 , ASN A:82 , THR A:83 , MET A:130 , GLN A:152 , PRO A:225 , HIS A:226 , GLY A:230 , HOH B:33 , HOH B:44 , HOH B:81 , HOH B:124 , HOH B:173BINDING SITE FOR CHAIN B OF SERINE ACETYL TRANSFERASE DERIVED OCTAPEPTIDE

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Asp B:1 -Gly B:2

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3TBH)

(-) 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:318
 aligned with G1C2I2_LEIDO | G1C2I2 from UniProtKB/TrEMBL  Length:325

    Alignment length:318
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311        
         G1C2I2_LEIDO     2 AAPFDKSKNVAQSIDQLIGQTPALYLNKLNNTKAKVVLKMECENPMASVKDRLGFAIYDKAEKEGKLIPGKSIVVESSSGNTGVSLAHLGAIRGYKVIITMPESMSLERRCLLRIFGAEVILTPAALGMKGAVAMAKKIVAANPNAVLADQFATKYNALIHEETTGPEIWEQTNHNVDCFIAGVGTGGTLTGVARALKKMGSHARIVAVEPTESPVLSGGKPGPHKIQGIGPGFVPDVLDRSLIDEVLCVAGDDAIETALKLTRSDGVFCGFSGGANVYAALKIAERPEMEGKTIVTVIPSFGERYLSTTLYRSVRDE 319
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ............hhhhhh....eee.........eeeeee.hhh....hhhhhhhhhhhhhhhh........eeeee..hhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhh..eeeeehhhhhhhhhhhhhhhhhhhh..eee......hhhhhhhhhhhhhhhhhhh.....eeeee...hhhhhhhhhhhhhh....eeeeeee............................hhhhh.eeeeehhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhh.hhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3tbh A   2 AAPFDKSKNVAQSIDQLIGQTPALYLNKLNNTKAKVVLKMECENPMASVkDRLGFAIYDKAEKEGKLIPGKSIVVESSSGNTGVSLAHLGAIRGYKVIITMPESMSLERRCLLRIFGAEVILTPAALGMKGAVAMAKKIVAANPNAVLADQFATKYNALIHEETTGPEIWEQTNHNVDCFIAGVGTGGTLTGVARALKKMGSHARIVAVEPTESPVLSGGKPGPHKIQGIGPGFVPDVLDRSLIDEVLCVAGDDAIETALKLTRSDGVFCGFSGGANVYAALKIAERPEMEGKTIVTVIPSFGERYLSTTLYRSVRDE 319
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311        
                                                                            51-LLP                                                                                                                                                                                                                                                                        


Chain B from PDB  Type:PROTEIN  Length:5
 aligned with E9BR69_LEIDB | E9BR69 from UniProtKB/TrEMBL  Length:411

    Alignment length:5
         E9BR69_LEIDB   407 DGSGI 411
               SCOP domains ----- SCOP domains
               CATH domains ----- CATH domains
               Pfam domains ----- Pfam domains
         Sec.struct. author ..... Sec.struct. author
                 SAPs(SNPs) ----- SAPs(SNPs)
                    PROSITE ----- PROSITE
                 Transcript ----- Transcript
                 3tbh B   1 DGSGI   5
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  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 3TBH)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)
Chain A   (G1C2I2_LEIDO | G1C2I2)
molecular function
    GO:0004124    cysteine synthase activity    Catalysis of the reaction: O3-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate.
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.

Chain B   (E9BR69_LEIDB | E9BR69)
molecular function
    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.

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 Related Entries

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3spx 3t4p