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(-) Description

Title :  NMR 15N RELAXATION AND STRUCTURAL STUDIES REVEAL CONFORMATIONAL EXCHANGE IN BARSTAR C40/82A, 30 STRUCTURES
 
Authors :  K. B. Wong, A. R. Fersht, S. M. V. Freund
Date :  04 Feb 97  (Deposition) - 04 Sep 97  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (30x)
Keywords :  Ribonuclease Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. B. Wong, A. R. Fersht, S. M. Freund
Nmr 15N Relaxation And Structural Studies Reveal Slow Conformational Exchange In Barstar C40/82A.
J. Mol. Biol. V. 268 494 1997
PubMed-ID: 9159486  |  Reference-DOI: 10.1006/JMBI.1997.0989
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - BARSTAR
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Mutation: YES
    Organism Scientific: BACILLUS AMYLOLIQUEFACIENS
    Organism Taxid: 1390

 Structural Features

(-) Chains, Units

  
NMR Structure (30x): 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1AB7)

(-) Sites  (1, 1)

NMR Structure (1, 1)
No.NameEvidenceResiduesDescription
1BNBUNKNOWNLEU A:26 , PRO A:27 , GLU A:28 , TYR A:29 , TYR A:30 , GLY A:31 , GLU A:32 , ASN A:33 , LEU A:34 , ASP A:35 , ALA A:36 , LEU A:37 , TRP A:38 , ASP A:39 , ALA A:40 , LEU A:41 , THR A:42 , GLY A:43 , TRP A:44RESIDUE 26 - 44 IS THE REGION THAT BINDS TO THE ACTIVE SITE OF THE RIBONUCLEASE BARNASE AND INHIBITS THE ENZYME.

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1AB7)

(-) Cis Peptide Bonds  (1, 30)

NMR Structure
No.ModelResidues
11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30Tyr A:47 -Pro A:48

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1AB7)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1AB7)

(-) Exons   (0, 0)

(no "Exon" information available for 1AB7)

(-) Sequences/Alignments

NMR Structure
   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:89
 aligned with BARS_BACAM | P11540 from UniProtKB/Swiss-Prot  Length:90

    Alignment length:89
                                    11        21        31        41        51        61        71        81         
            BARS_BACAM    2 KKAVINGEQIRSISDLHQTLKKELALPEYYGENLDALWDCLTGWVEYPLVLEWRQFEQSKQLTENGAESVLQVFREAKAEGCDITIILS 90
               SCOP domains d1ab7a_ A: Barstar (barnase inhibitor)                                                    SCOP domains
               CATH domains 1ab7A00 A:1-89 Barnase, subunit D                                                         CATH domains
               Pfam domains ----------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ................................hhhhhhhhhhh.....eeeeee.hhhhhhhh....hhhhhhhhhhhhhh.eeeeeee Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------- Transcript
                  1ab7 A  1 KKAVINGEQIRSISDLHQTLKKELALPEYYGENLDALWDALTGWVEYPLVLEWRQFEQSKQLTENGAESVLQVFREAKAEGADITIILS 89
                                    10        20        30        40        50        60        70        80
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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, 1)

NMR Structure
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1AB7)

(-) Gene Ontology  (1, 1)

NMR Structure(hide GO term definitions)
Chain A   (BARS_BACAM | P11540)
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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    BNB  [ RasMol ]  +environment [ RasMol ]
 
  Cis Peptide Bonds
    Tyr A:47 - Pro A:48   [ RasMol ]  
 

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  1ab7
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 Related Entries

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

UniProtKB/Swiss-Prot
        BARS_BACAM | P11540: 1a19 1ay7 1b27 1b2s 1b2u 1b3s 1bgs 1brs 1bta 1btb 1l1k 1x1u 1x1w 1x1x 1x1y 2hxx 2za4 3da7

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1AB7)