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(-) Description

Title :  CRYSTAL STRUCTURE OF PORB FROM CORYNEBACTERIUM GLUTAMICUM ( CRYSTAL FORM IV)
 
Authors :  K. Ziegler, R. Benz, G. E. Schulz
Date :  17 Mar 08  (Deposition) - 20 May 08  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  4.20
Chains :  Asym./Biol. Unit :  A
Keywords :  Transmembrane, Membrane Protein, Porin, Membrane, Transport, Ion Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. Ziegler, R. Benz, G. E. Schulz
A Putative Alpha-Helical Porin From Corynebacterium Glutamicum.
J. Mol. Biol. V. 379 482 2008
PubMed-ID: 18462756  |  Reference-DOI: 10.1016/J.JMB.2008.04.017

(-) Compounds

Molecule 1 - UNCHARACTERIZED PROTEIN CGL0972
    Atcc: 13032
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: RESIDUES 28-126
    Organism Scientific: CORYNEBACTERIUM GLUTAMICUM
    Organism Taxid: 1718
    Synonym: PORB, ANION-SPECIFIC PORIN, ANION-SPECIFIC PORIN PRECURSOR

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 9)

Asymmetric/Biological Unit (2, 9)
No.NameCountTypeFull Name
1CAC3Ligand/IonCACODYLATE ION
2ZN6Ligand/IonZINC ION

(-) Sites  (9, 9)

Asymmetric Unit (9, 9)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:41 , ASP A:76 , GLN A:79 , CAC A:1092 , ZN A:1093BINDING SITE FOR RESIDUE CAC A1090
2AC2SOFTWAREGLU A:37 , GLY A:82 , ZN A:1094 , ZN A:1095BINDING SITE FOR RESIDUE CAC A1091
3AC3SOFTWAREASN A:41 , ASP A:76 , ASP A:87 , CAC A:1090 , ZN A:1093BINDING SITE FOR RESIDUE CAC A1092
4AC4SOFTWAREASP A:76 , ASP A:87 , CAC A:1090 , CAC A:1092BINDING SITE FOR RESIDUE ZN A1093
5AC5SOFTWAREGLU A:26 , CAC A:1091BINDING SITE FOR RESIDUE ZN A1094
6AC6SOFTWAREGLU A:37 , CAC A:1091BINDING SITE FOR RESIDUE ZN A1095
7AC7SOFTWAREGLU A:46 , ASP A:69BINDING SITE FOR RESIDUE ZN A1096
8AC8SOFTWAREGLN A:62BINDING SITE FOR RESIDUE ZN A1097
9AC9SOFTWAREGLU A:68BINDING SITE FOR RESIDUE ZN A1098

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:22 -A:81

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2VQK)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2VQK)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2VQK)

(-) Exons   (0, 0)

(no "Exon" information available for 2VQK)

(-) 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:72
 aligned with Q8NRS3_CORGL | Q8NRS3 from UniProtKB/TrEMBL  Length:126

    Alignment length:72
                                    54        64        74        84        94       104       114  
         Q8NRS3_CORGL    45 NWVACGILEGGLKAAGVLEEGQYNRELAEAIAAKGEGFWTTQFPQIGDWNEDQAAALADRAQTCGLVKADTY 116
               SCOP domains ------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------ CATH domains
               Pfam domains PorB-2vqkA01 A:18-89                                                     Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhh........hhhhhhhhhhhh..hhhhh.hhhhhhhhhhhhhhhhhhhhh........ Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------ Transcript
                 2vqk A  18 NWVACGILEGGLKAAGVLEEGQYNRELAEAIAAKGEGFWTTQFPQIGDWNEDQAAALADRAQTCGLVKADTY  89
                                    27        37        47        57        67        77        87
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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 2VQK)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2VQK)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: PorB] (4)

(-) Gene Ontology  (1, 1)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q8NRS3_CORGL | Q8NRS3)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

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 Related Entries

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

UniProtKB/TrEMBL
        Q8NRS3_CORGL | Q8NRS3: 2vqg 2vqh 2vql

(-) Related Entries Specified in the PDB File

2vqg CRYSTAL STRUCTURE OF PORB FROM CORYNEBACTERIUM GLUTAMICUM (CRYSTAL FORM I)
2vqh CRYSTAL STRUCTURE OF PORB FROM CORYNEBACTERIUM GLUTAMICUM (CRYSTAL FORM II)
2vql CRYSTAL STRUCTURE OF PORB FROM CORYNEBACTERIUM GLUTAMICUM (CRYSTAL FORM III)