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(-) Description

Title :  THE DOMAIN-SWAPPED DIMER OF CV-N IN SOLUTION
 
Authors :  L. G. Barrientos, J. M. Louis, I. Botos, T. Mori, Z. Han, B. R. O'Keefe, M. R. Boyd, A. Wlodawer, A. M. Gronenborn
Date :  06 Mar 02  (Deposition) - 05 Jun 02  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B
Keywords :  3D Domain-Swapping, Cyanovirin-N, Protein Folding, Nmr, X- Ray, Antiviral Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. G. Barrientos, J. M. Louis, I. Botos, T. Mori, Z. Han, B. R. O'Keefe, M. R. Boyd, A. Wlodawer, A. M. Gronenborn
The Domain-Swapped Dimer Of Cyanovirin-N Is In A Metastable Folded State: Reconciliation Of X-Ray And Nmr Structures.
Structure V. 10 673 2002
PubMed-ID: 12015150  |  Reference-DOI: 10.1016/S0969-2126(02)00758-X
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYANOVIRIN-N
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Plasmid: PET
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Organism Scientific: NOSTOC ELLIPSOSPORUM
    Organism Taxid: 45916
    Synonym: CV-N

 Structural Features

(-) Chains, Units

  
NMR Structure : 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1L5E)

(-) Sites  (0, 0)

(no "Site" information available for 1L5E)

(-) SS Bonds  (4, 4)

NMR Structure
No.Residues
1A:8 -A:22
2A:58 -A:73
3B:109 -B:123
4B:159 -B:174

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1L5E)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1L5E)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1L5E)

(-) Exons   (0, 0)

(no "Exon" information available for 1L5E)

(-) 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:101
 aligned with CVN_NOSEL | P81180 from UniProtKB/Swiss-Prot  Length:101

    Alignment length:101
                                    10        20        30        40        50        60        70        80        90       100 
            CVN_NOSEL     1 LGKFSQTCYNSAIQGSVLTSTCERTNGGYNTSSIDLNSVIENVDGSLKWQPSNFIETCRNTQLAGSSELAAECKTRAQQFVSTKINLDDHIANIDGTLKYE 101
               SCOP domains d1l5ea_ A: Cyanovirin-N                                                                               SCOP domains
               CATH domains 1l5eA00 A:1-101 HIV-inactivating Protein,Cyanovirin-n;                                                CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhh.eeeeeee..eeeeeee.....eeeeeee....eeee..eeee........eeeeeee...eeeeeee.....eeeeeee....eeee..eeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------- Transcript
                 1l5e A   1 LGKFSQTCYNSAIQGSVLTSTCERTNGGYNTSSIDLNSVIENVDGSLKWQPSNFIETCRNTQLAGSSELAAECKTRAQQFVSTKINLDDHIANIDGTLKYE 101
                                    10        20        30        40        50        60        70        80        90       100 


Chain B from PDB  Type:PROTEIN  Length:101
 aligned with CVN_NOSEL | P81180 from UniProtKB/Swiss-Prot  Length:101

    Alignment length:101
                                    10        20        30        40        50        60        70        80        90       100 
            CVN_NOSEL     1 LGKFSQTCYNSAIQGSVLTSTCERTNGGYNTSSIDLNSVIENVDGSLKWQPSNFIETCRNTQLAGSSELAAECKTRAQQFVSTKINLDDHIANIDGTLKYE 101
               SCOP domains d1l5eb_ B: Cyanovirin-N                                                                               SCOP domains
               CATH domains 1l5eB00 B:102-202 HIV-inactivating Protein,Cyanovirin-n;                                              CATH domains
           Pfam domains (1) --CVNH-1l5eB01 B:104-201                                                                            - Pfam domains (1)
           Pfam domains (2) --CVNH-1l5eB02 B:104-201                                                                            - Pfam domains (2)
         Sec.struct. author ..hhhh.eeeeeee..eeeeeee.....eeeeeee....eeee..eeee........eeeeeee...eeeeeee.....eeeeeee....eeee..eeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------- Transcript
                 1l5e B 102 LGKFSQTCYNSAIQGSVLTSTCERTNGGYNTSSIDLNSVIENVDGSLKWQPSNFIETCRNTQLAGSSELAAECKTRAQQFVSTKINLDDHIANIDGTLKYE 202
                                   111       121       131       141       151       161       171       181       191       201
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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)

NMR Structure
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

NMR Structure
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (1, 2)

NMR Structure
(-)
Clan: no clan defined [family: CVNH] (11)
(-)
Family: CVNH (11)
(-)
Nostoc ellipsosporum (7)
1aCVNH-1l5eB01B:104-201
1bCVNH-1l5eB02B:104-201

(-) Gene Ontology  (2, 2)

NMR Structure(hide GO term definitions)
Chain A,B   (CVN_NOSEL | P81180)
molecular function
    GO:0030246    carbohydrate binding    Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates.
biological process
    GO:0050688    regulation of defense response to virus    Any process that modulates the frequency, rate or extent of the antiviral response of a cell or organism.

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  1l5e
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 Related Entries

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

UniProtKB/Swiss-Prot
        CVN_NOSEL | P81180: 1iiy 1j4v 1l5b 1lom 1n02 2ezm 2ezn 2pys 2rdk 2rp3 2z21 3czz 3ezm 3gxy 3gxz 3lhc 3s3y 3s3z 4j4c 4j4d 4j4e 4j4f 4j4g

(-) Related Entries Specified in the PDB File

1l5b DOMAIN-SWAPPED CYANOVIRIN-N DIMER
2ezm SOLUTION NMR STRUCTURE OF CYANOVIRIN-N, RESTRAINED REGULARIZED MEAN COORDINATES
3ezm X-RAY STRUCTURE OF CYANOVIRIN-N; DOMAIN-SWAPPED DIMER