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(-) Description

Title :  UNASSEMBLED VIRUS COAT PROTEIN DIMER, BACTERIOPHAGE RNA-BINDING DIMER
 
Authors :  C. -Z. Ni, K. R. Ely
Date :  25 Apr 96  (Deposition) - 08 Nov 96  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Unassembled Virus Coat Protein Dimer, Bacteriophage, Rna- Binding Dimer, Translational Repressor, Viral Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Z. Ni, C. A. White, R. S. Mitchell, J. Wickersham, R. Kodandapani, D. S. Peabody, K. R. Ely
Crystal Structure Of The Coat Protein From The Ga Bacteriophage: Model Of The Unassembled Dimer.
Protein Sci. V. 5 2485 1996
PubMed-ID: 8976557
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GA UNASSEMBLED COAT PROTEIN DIMER
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Gene: GA COAT GENE
    Expression System Plasmid: PUC118
    Expression System Strain: CSH41F-
    Expression System Taxid: 562
    Gene: GA COAT GENE
    Organism Scientific: ENTEROBACTERIA PHAGE GA
    Organism Taxid: 12018
    Other Details: THIS BACTERIOPHAGE COAT PROTEIN WAS CRYSTALLIZED AS AN UNASSEMBLED DIMER. IT DID NOT FORM VIRAL CAPSIDS.
    Other Details - Source: GA COAT SEQUENCE WAS CLONED FROM RNA ISOLATED FROM GA BACTERIOPHAGE PROVIDED BY DR. A. HIRASHIMA, KEIO UNIVERSITY. THE COAT GENE IN THIS DIFFERS AT FOUR SITES FROM THE WIDETYPE PUBLISHED SEQUENCE (INOKUCHI ET AL.,(1986) J. BIOCHEM. 99: 1169)
    Synonym: TRANSLATIONAL REPRESSOR

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1UNA)

(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1UNA)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1UNA)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1UNA)

(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 1UNA)

(-) 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:122
 aligned with CAPSD_BPGA | P07234 from UniProtKB/Swiss-Prot  Length:130

    Alignment length:129
                                    11        21        31        41        51        61        71        81        91       101       111       121         
           CAPSD_BPGA     2 ATLRSFVLVDNGGTGNVTVVPVSNANGVAEWLSNNSRSQAYRVTASYRASGADKRKYAIKLEVPKIVTQVVNGVELPGSAWKAYASIDLTIPIFAATDDVTVISKSLAGLFKVGNPIAEAISSQSGFYA 130
               SCOP domains d1unaa_ A: GA coat protein                                                                                                        SCOP domains
               CATH domains 1unaA00 A:2-130 MS2 Viral Coat Protein                                                                                            CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee.......eeee.eee....eeeee.......eeeeeeee......eeeeeeeee....-------........eeeeeeeee.........hhhhhhhhhhhh..hhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1una A   2 ATLHSFVLVDNGGTGNVTVVPVSNANGVAEWLSNNSRSQAYRVTASYRASGADKRKYTIKLEVPKIV-------ELPVSAWKAYASIDLTIPIFAATDDVTVISKSLTGLFKVGNPIAEAISSQSGFYA 130
                                    11        21        31        41        51        61      |  -    |   81        91       101       111       121         
                                                                                             68      76                                                      


Chain B from PDB  Type:PROTEIN  Length:122
 aligned with CAPSD_BPGA | P07234 from UniProtKB/Swiss-Prot  Length:130

    Alignment length:129
                                    11        21        31        41        51        61        71        81        91       101       111       121         
           CAPSD_BPGA     2 ATLRSFVLVDNGGTGNVTVVPVSNANGVAEWLSNNSRSQAYRVTASYRASGADKRKYAIKLEVPKIVTQVVNGVELPGSAWKAYASIDLTIPIFAATDDVTVISKSLAGLFKVGNPIAEAISSQSGFYA 130
               SCOP domains d1unab_ B: GA coat protein                                                                                                        SCOP domains
               CATH domains 1unaB00 B:2-130 MS2 Viral Coat Protein                                                                                            CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee.......eeee.eee....eeeee.......eeeeeeee......eeeeeeeee....-------........eeeeeeeee.........hhhhhhhhhhhh..hhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1una B   2 ATLHSFVLVDNGGTGNVTVVPVSNANGVAEWLSNNSRSQAYRVTASYRASGADKRKYTIKLEVPKIV-------ELPVSAWKAYASIDLTIPIFAATDDVTVISKSLTGLFKVGNPIAEAISSQSGFYA 130
                                    11        21        31        41        51        61      |  -    |   81        91       101       111       121         
                                                                                             68      76
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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  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1UNA)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (CAPSD_BPGA | P07234)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0005198    structural molecule activity    The action of a molecule that contributes to the structural integrity of a complex or its assembly within or outside a cell.
cellular component
    GO:0039617    T=3 icosahedral viral capsid    The protein coat that surrounds the infective nucleic acid in some virus particles where the subunits (capsomeres) are arranged to form an icosahedron with T=3 symmetry. The T=3 capsid is composed of 12 pentameric and 20 hexameric capsomeres.
    GO:0019028    viral capsid    The protein coat that surrounds the infective nucleic acid in some virus particles. It comprises numerous regularly arranged subunits, or capsomeres.
    GO:0019012    virion    The complete fully infectious extracellular virus particle.

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        CAPSD_BPGA | P07234: 1gav

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