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(-) Description

Title :  CRYSTAL STRUCTURE OF O-ACETYLSERINE SULFHYDRYLASE FROM HAEMOPHILUS INFLUENZAE IN COMPLEX WITH O-ACETYL SERINE AND PEPTIDE INHIBITOR
 
Authors :  M. K. Ekka, A. K. Singh, A. Kaushik, S. Kumaran
Date :  15 May 15  (Deposition) - 10 Jun 15  (Release) - 10 Jun 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A,X
Keywords :  Amino-Acid Biosynthesis, Cysteine Biosynthesis, Transferase, Transferase-Transferase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. K. Ekka, A. K. Singh, A. Kaushik, S. Kumaran
Crystal Structure Of O-Acetylserine Sulfhydrylase From Haemophilus Inuen-Zae In Complex With O-Acetyl Serine And Peptide Inhibitor
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - CYSTEINE SYNTHASE
    Atcc: 51907
    Chains: X
    EC Number: 2.5.1.47
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: CYSK, HI_1103
    Organism Scientific: HAEMOPHILUS INFLUENZAE KW20
    Organism Taxid: 71421
    Strain: KW20
    Synonym: CSASE,O-ACETYLSERINE (THIOL)-LYASE,OAS-TL,O-ACETYLSERINE SULFHYDRYLASE
 
Molecule 2 - C-TERMINAL PEPTIDE FROM SERINE ACETYLTRANSFERASE
    Chains: A
    Engineered: YES
    Organism Scientific: SALMONELLA TYPHIMURIUM LT2
    Organism Taxid: 99287
    Synonym: SAT,SERINE TRANSACETYLASE
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AX

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (3, 3)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2LLP1Mod. Amino Acid2-LYSINE(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHANE)
3OAS1Ligand/IonO-ACETYLSERINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELEU X:214 , THR X:248 , VAL X:249 , ASP X:250 , THR X:253 , ARG X:282binding site for residue GOL X 401
2AC2SOFTWAREGLU A:268 , TYR A:269 , GLY A:270 , ASP A:271 , ASN X:25 , GLY X:119 , MET X:120 , LYS X:121 , HOH X:506binding site for residue OAS A 301

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4ZU1)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Glu X:94 -Thr X:95
2Met X:96 -Ser X:97

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4ZU1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4ZU1)

(-) Exons   (0, 0)

(no "Exon" information available for 4ZU1)

(-) Sequences/Alignments

Asymmetric/Biological 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:8
                                        
               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
                 4zu1 A 266 TFEYGDGI 273


Chain X from PDB  Type:PROTEIN  Length:310
                                                                                                                                                                                                                                                                                                                                                      
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhh....eee.........eeeee........hhhhhhhhhhhhhhhh.......eeee...hhhhhhhhhhhhhhh..eeee.....hhhhhhhhhhh..eee......hhhhhhhhhhhhhh.....eee......hhhhhhhhhhhhhhhhhhh...eeeeeee...hhhhhhhhhhhhhh.....eeeeeee...hhhhhhhh.......................hhhhh.eeeeehhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhh..... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4zu1 X   2 AIYADNSYSIGNTPLVRLKHFGHNGNVVVKIEGRNPSYSVkCRIGANMVWQAEKDGTLTKGKEIVDATSGNTGIALAYVAAARGYKITLTMPETMSLERKRLLCGLGVNLVLTEGAKGMKGAIAKAEEIVASDPSRYVMLKQFENPANPQIHRETTGPEIWKDTDGKVDVVVAGVGTGGSITGISRAIKLDFGKQITSVAVEPVESPVISQTLAGEEVKPGPHKIQGIGAGFIPKNLDLSIIDRVETVDSDTALATARRLMAEEGILAGISSGAAVAAADRLAKLPEFADKLIVVILPSASERYLSTALF 311
                                    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
                                                                   42-LLP
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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  (0, 0)

(no "SCOP Domain" information available for 4ZU1)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4ZU1)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4ZU1)

(-) Gene Ontology  (12, 17)

Asymmetric/Biological Unit(hide GO term definitions)

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  4zu1
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 Related Entries

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

UniProtKB/Swiss-Prot
        CYSE_SALTY | P29847: 4li3 4nu8 4zu6 5dbe
        CYSK_HAEIN | P45040: 1y7l 3iqg 3iqh 3iqi 4ho1 4li3 4nu8 4ore 4zu6 5dbe 5dbh

(-) Related Entries Specified in the PDB File

4zu6 4zu8