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(-) Description

Title :  EVIDENCE FOR A DUAL ROLE OF AN ACTIVE SITE HISTIDINE IN ALPHA-AMINO-BETA-CARBOXYMUCONATE-EPSILON-SEMIALDEHYDE DECARBOXYLASE
 
Authors :  L. Huo, A. J. Fielding, Y. Chen, T. Li, H. Iwaki, J. P. Hosler, L. Chen, Y. H L. Que Jr. , A. Liu
Date :  17 Apr 12  (Deposition) - 22 Aug 12  (Release) - 22 Aug 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Acmsd, Tim-Barrel, Metaloenzyme, Decarboxylase, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. Huo, A. J. Fielding, Y. Chen, T. Li, H. Iwaki, J. P. Hosler, L. Chen, Y. Hasegawa, L. Que, A. Liu
Evidence For A Dual Role Of An Active Site Histidine In Alpha-Amino-Beta-Carboxymuconate-Epsilon-Semialdehyde Decarboxylase
Biochemistry V. 51 5811 2012
PubMed-ID: 22746257  |  Reference-DOI: 10.1021/BI300635B

(-) Compounds

Molecule 1 - 2-AMINO-3-CARBOXYMUCONATE 6-SEMIALDEHYDE DECARBOXYLASE
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET16B
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: NBAD
    Mutation: YES
    Organism Scientific: PSEUDOMONAS FLUORESCENS
    Organism Taxid: 294

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
1MG1Ligand/IonMAGNESIUM ION
2ZN2Ligand/IonZINC ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:9 , HIS A:11 , HIS A:177 , ASP A:294BINDING SITE FOR RESIDUE ZN A 401
2AC2SOFTWAREHIS B:9 , HIS B:11 , HIS B:177 , ASP B:294BINDING SITE FOR RESIDUE ZN B 401

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Tyr A:295 -Pro A:296
2Tyr B:295 -Pro B:296

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4EPK)

(-) 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:331
                                                                                                                                                                                                                                                                                                                                                                           
               SCOP domains d4epka_ A: 2-amino-3-carboxymuconate 6-semialdehyde decarboxylase NbaD                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeee....hhhhhhhhhh...eeeee.....eeeeee..eeeeeee.hhhhhhhhhhhhhhh...eeeeee.hhhh....hhhhhhhhhhhhhhhhhhhhhh....eee.......hhhhhhhhhhhhhhh....eeee.ee..ee..hhhhhhhhhhhhhh...eeee..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....eee.hhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhh.eee....hhhhhhhhhhhhh...ee..............hhhhhh...hhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4epk A   3 KPRIDMHSHFFPRISEQEAAKFDANHAPWLQVSAKGDTGSIMMGKNNFRPVYQALWDPAFRIEEMDAQGVDVQVTCATPVMFGYTWEANKAAQWAERMNDFALEFAAHNPQRIKVLAQVPLQDLDLACKEASRAVAAGHLGIQIGNHLGDKDLDDATLEAFLTHCANEDIPILVHPWDMMGGQRMKKWMLPWLVAMPAETQLAILSLILSGAFERIPKSLKICFGGGGGSFAFLLGRVDNAWRHRDIVREDCPRPPSEYVDRFFVDSAVFNPGALELLVSVMGEDRVMLGSDYPFPLGEQKIGGLVLSSNLGESAKDKIISGNASKFFNIN 333
                                    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 


Chain B from PDB  Type:PROTEIN  Length:330
                                                                                                                                                                                                                                                                                                                                                                          
               SCOP domains d4epkb_ B: 2-amino-3-carboxymuconate 6-semialdehyde decarboxylase NbaD                                                                                                                                                                                                                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhh.....eeee......eeee....eeee.hhhhhhhhhhhhhhhhh...eeeeee.hhhh....hhhhhhhhhhhhhhhhhhhhh.....eeeee.....hhhhhhhhhhhhhhhh..eeeee.........hhhhhhhhhhhhhhh..eeee.............hhhhhhhhhhhhhhhhhhhhhhhhhhhh.....eee.hhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhheee....hhhhhhhhhhhhh...ee..............hhhhhh...hhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4epk B   4 PRIDMHSHFFPRISEQEAAKFDANHAPWLQVSAKGDTGSIMMGKNNFRPVYQALWDPAFRIEEMDAQGVDVQVTCATPVMFGYTWEANKAAQWAERMNDFALEFAAHNPQRIKVLAQVPLQDLDLACKEASRAVAAGHLGIQIGNHLGDKDLDDATLEAFLTHCANEDIPILVHPWDMMGGQRMKKWMLPWLVAMPAETQLAILSLILSGAFERIPKSLKICFGGGGGSFAFLLGRVDNAWRHRDIVREDCPRPPSEYVDRFFVDSAVFNPGALELLVSVMGEDRVMLGSDYPFPLGEQKIGGLVLSSNLGESAKDKIISGNASKFFNIN 333
                                    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
   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 4EPK)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/TrEMBL
        Q83V25_PSEFL | Q83V25: 2hbv 2hbx 4era 4erg 4eri 4ifk 4ifo 4ifr 4ig2

(-) Related Entries Specified in the PDB File

4era 4erg 4eri