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(-) Description

Title :  CRYSTAL STRUCTURE OF O-ACETYL SERINE SULFHYDRYLASE FROM ENTAMOEBA HISTOLYTICA IN COMPLEX WITH METHIONINE
 
Authors :  I. Raj, S. Gourinath
Date :  19 Feb 13  (Deposition) - 04 Dec 13  (Release) - 04 Dec 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Cysteine Synthase, Substrate Analog, Plp Fold Type 2, Lyase, Sulfhydrylase, Serine Acetyl Transferase, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  I. Raj, M. Mazumder, S. Gourinath
Molecular Basis Of Ligand Recognition By Oass From E. Histolytica: Insights From Structural And Molecular Dynamic Simulation Studies
Biochim. Biophys. Acta V. 1830 4573 2013
PubMed-ID: 23747298  |  Reference-DOI: 10.1016/J.BBAGEN.2013.05.041

(-) Compounds

Molecule 1 - CYSTEINE SYNTHASE
    Chains: A, B
    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: EHOASS
    Organism Scientific: ENTAMOEBA HISTOLYTICA
    Organism Taxid: 5759
    Synonym: O-ACETYL SERINE SULFHYDRYLASE

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 5)

Asymmetric/Biological Unit (3, 5)
No.NameCountTypeFull Name
1LLP2Mod. Amino Acid2-LYSINE(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHANE)
2MET1Mod. Amino AcidMETHIONINE
3SO42Ligand/IonSULFATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELYS A:205 , LYS A:209 , GLY A:210 , HOH A:613 , HOH A:650 , ARG B:37BINDING SITE FOR RESIDUE SO4 A 401
2AC2SOFTWARELLP B:58 , THR B:85 , SER B:86 , ASN B:88 , THR B:89 , MET B:136 , GLN B:159 , GLY B:192 , GLY B:236 , ILE B:237 , ALA B:239BINDING SITE FOR RESIDUE MET B 401
3AC3SOFTWAREASN B:174 , LYS B:203 , LYS B:207 , HOH B:584BINDING SITE FOR RESIDUE SO4 B 402

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4JBL)

(-) 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:339
                                                                                                                                                                                                                                                                                                                                                                                   
               SCOP domains d4jbla_ A: automated matches                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ............ee.hhhhhh....eee.hhhhh........eeeeee.hhh....hhhhhhhhhhhhhhhh.......eeeee..hhhhhhhhhhhhhhh..eeeeee...hhhhhhhhhhh..eeeeehhhhhhhhhhhhhhhhhhhh...eee.....hhhhhhhhhhhhhhhhhhh...eeeeeee...hhhhhhhhhhhh......eeeeeee.hhh........................hhhhh.eeeeehhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhh...........hhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4jbl A   1 MEQISISSPRKRIYHNILETIGGTPLVELHGVTEHPRIKKGTRILVKLEYFNPMSSVkDRVGFNIVYQAIKDGRLKPGMEIIESTSGNTGIALCQAGAVFGYRVNIAMPSTMSVERQMIMKAFGAELILTEGKKGMPGAIEEVNKMIKENPGKYFVANQFGNPDNTAAHHYTANEIWEDTDGEVDIVVSAVGTSGTVIGVAEKLKEKKKGIKIIAVEPEESAVLEGKAKGPHGIQGIGAGFIPDIYKKEFVDEIIPIKTQDAWKMARAVVKYDGIMCGMSSGAAILAGLKEAEKPENEGKTIVIIVPSCGERYLSTDLYKIKDEGTKIQILDSLLNEHH 339
                                    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         
                                                                                    58-LLP                                                                                                                                                                                                                                                                                     


Chain B from PDB  Type:PROTEIN  Length:336
                                                                                                                                                                                                                                                                                                                                                                                
               SCOP domains d4jblb_ B: automated matches                                                                                                                                                                                                                                                                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...........ee.hhhhhh....eee..............eeeeee.hhh....hhhhhhhhhhhhhhhhh......eeeee..hhhhhhhhhhhhhhh..eeeeee...hhhhhhhhhhh...eeee...hhhhhhhhhhhhhhhh....eee.....hhhhhhhhhhhhhhhhhhh.....eeeee...hhhhhhhhhhhhh.....eeeeeee.hhhhhhh....................hhhhh.eeeeehhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhh...........hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4jbl B   2 EQISISSPRKRIYHNILETIGGTPLVELHGVTEHPRIKKGTRILVKLEYFNPMSSVkDRVGFNIVYQAIKDGRLKPGMEIIESTSGNTGIALCQAGAVFGYRVNIAMPSTMSVERQMIMKAFGAELILTEGKKGMPGAIEEVNKMIKENPGKYFVANQFGNPDNTAAHHYTANEIWEDTDGEVDIVVSAVGTSGTVIGVAEKLKEKKKGIKIIAVEPEESAVLEGKAKGPHGIQGIGAGFIPDIYKKEFVDEIIPIKTQDAWKMARAVVKYDGIMCGMSSGAAILAGLKEAEKPENEGKTIVIIVPSCGERYLSTDLYKIKDEGTKIQILDSLLNM 401
                                    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       321       331    ||
                                                                                   58-LLP                                                                                                                                                                                                                                                                               336|
                                                                                                                                                                                                                                                                                                                                                                         401
   Legend:   → Mismatch (orange background)
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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  (1, 2)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4JBL)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/TrEMBL
        O15570_ENTHI | O15570: 2pqm 3bm5 4il5 4jbn

(-) Related Entries Specified in the PDB File

2pqm 3bm5 4il5 4jbn