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(-) Description

Title :  CRYSTAL STRUCTURE OF O-ACETYLSERINE SULFHYDRYLASE FROM HAEMOPHILUS INFLUENZAE IN COMPLEX WITH PRE-REACTIVE O-ACETYL SERINE, ALPHA-AMINOACRYLATE REACTION INTERMEDIATE AND PEPTIDE INHIBITOR AT THE RESOLUTION OF 2.25A
 
Authors :  A. K. Singh, A. Kaushik, M. K. Ekka, S. Kumaran
Date :  21 Aug 15  (Deposition) - 09 Sep 15  (Release) - 10 May 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.25
Chains :  Asym. Unit :  A,X
Biol. Unit 1:  A,X  (2x)
Keywords :  Amino-Acid Biosynthesis, Cysteine Biosynthesis, Transferase, Pyridoxal Phosphate, Transferase-Transferase Inhibitor Comp, Transferase-Transferase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. K. Singh, A. Kaushik, M. K. Ekka, S. Kumaran
Crystal Structure Of O-Acetylserine Sulfhydrylase From Haemophilus Influenzae In Complex With Pre-Reactive O-Acety Serine, Alpha-Aminoacrylate Reactionintermediate And Peptid Inhibitor At The Resolution Of 2. 25A
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 Plasmid: PET28A
    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 Unit : AX
Biological Unit 1 (2x): AX

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 4)

Asymmetric Unit (3, 4)
No.NameCountTypeFull Name
10JO1Ligand/Ion2-{[(E)-{3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYLIDENE]AMINO}PROP-2-ENOICACID
2GOL2Ligand/IonGLYCEROL
3OAS1Ligand/IonO-ACETYLSERINE
Biological Unit 1 (3, 8)
No.NameCountTypeFull Name
10JO2Ligand/Ion2-{[(E)-{3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYLIDENE]AMINO}PROP-2-ENOICACID
2GOL4Ligand/IonGLYCEROL
3OAS2Ligand/IonO-ACETYLSERINE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELEU X:214 , THR X:248 , ASP X:250 , THR X:253 , ARG X:282 , HOH X:505 , HOH X:507binding site for residue GOL X 401
2AC2SOFTWAREMET X:96 , ARG X:100 , MET X:120 , PHE X:144 , GLY X:228 , ALA X:231 , 0JO X:404binding site for residue OAS X 402
3AC3SOFTWARELEU X:238 , ASP X:239 , LEU X:240 , SER X:241 , THR X:257 , ARG X:260 , HOH X:518binding site for residue GOL X 403
4AC4SOFTWARELYS X:42 , THR X:69 , ASN X:72 , THR X:73 , GLN X:143 , GLY X:175 , GLY X:177 , THR X:178 , GLY X:179 , GLY X:180 , SER X:181 , GLN X:227 , GLY X:228 , ILE X:229 , SER X:272 , PRO X:299 , SER X:300 , TYR X:305 , OAS X:402 , HOH X:510 , HOH X:523 , HOH X:530binding site for residue 0JO X 404

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 5DBE)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Tyr A:269 -Gly A:270

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 5DBE)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 5DBE)

(-) Exons   (0, 0)

(no "Exon" information available for 5DBE)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
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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:6
                                      
               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
                 5dbe A 267 FEYGDG 272


Chain X from PDB  Type:PROTEIN  Length:306
                                                                                                                                                                                                                                                                                                                                                  
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .....hhhhhh....eee.........eeeee.........hhhhhhhhhhhhhhh.......eeeee..hhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhh.....eehhhhhhhhhh..........eee......hhhhhhhhhhhhhhhhhhh...eeeeeee...hhhhhhhhhhhhhh.....eeeeeee...hhhhhhhh.......................hhhhh.eeeeehhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 5dbe X   1 MAIYADNSYSIGNTPLVRLKHFGHNGNVVVKIEGRNPSYSVKCRIGANMVWQAEKDGTLTKGKEIVDATNTGIALAYVAAARGYKITLTMPETMSLERKRLLCGLGVNLVLTEGAKGMKGAIKAEEIVDPSRYVMLKQFENPANPQIHRETTGPEIWKDTDGKVDVVVAGVGTGGSITGISRAIKLDFGKQITSVAVEPVESPVISQTLAGEEVKPGPHKIQGIGAGFIPKNLDLSIIDRVETVDSDTALATARRLMAEEGILAGISSGAAVAAADRLAKLPEFADKLIVVILPSASERYLSTALF 311
                                    10        20        30        40        50        60        72        82        92       102       112       122 ||    135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305      
                                                                                               69|                                                 124|  131|                                                                                                                                                                                 
                                                                                                72                                                  126   134
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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 5DBE)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 5DBE)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 5DBE)

(-) Gene Ontology  (12, 17)

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  Cis Peptide Bonds
    Tyr A:269 - Gly A:270   [ RasMol ]  
 
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 Related Entries

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

UniProtKB/Swiss-Prot
        CYSE_SALTY | P29847: 4li3 4nu8 4zu1 4zu6
        CYSK_HAEIN | P45040: 1y7l 3iqg 3iqh 3iqi 4ho1 4li3 4nu8 4ore 4zu1 4zu6 5dbh

(-) Related Entries Specified in the PDB File

4zu1 4zu6