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(-) Description

Title :  ECHISTATIN-THE REFINED STRUCTURE OF A DISINTEGRIN IN SOLUTION BY 1H NMR
 
Authors :  J. T. Pelton, R. A. Atkinson, V. Saudek
Date :  13 Apr 93  (Deposition) - 31 Oct 93  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (8x)
Keywords :  Blood Coagulation Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. A. Atkinson, V. Saudek, J. T. Pelton
Echistatin: The Refined Structure Of A Disintegrin In Solution By 1H Nmr And Restrained Molecular Dynamics.
Int. J. Pept. Protein Res. V. 43 563 1994
PubMed-ID: 7928087
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ECHISTATIN
    Chains: A
    Engineered: YES
    Organism Common: SAW-SCALED VIPER
    Organism Scientific: ECHIS CARINATUS
    Organism Taxid: 40353

 Structural Features

(-) Chains, Units

  
NMR Structure (8x): 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

NMR Structure (1, 1)
No.NameCountTypeFull Name
1NH21Mod. Amino AcidAMINO GROUP

(-) Sites  (2, 2)

NMR Structure (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETHR A:49BINDING SITE FOR RESIDUE NH2 A 50
2RGDUNKNOWNARG A:24 , GLY A:25 , ASP A:26NULL

(-) SS Bonds  (4, 4)

NMR Structure
No.Residues
1A:2 -A:11
2A:7 -A:32
3A:8 -A:37
4A:20 -A:39

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (2, 2)

NMR Structure (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1DISINTEGRIN_2PS50214 Disintegrin domain profile.VM2EA_ECHCS1-47  1A:2-47
2DISINTEGRIN_1PS00427 Disintegrins signature.VM2EA_ECHCS2-21  1A:2-21

(-) Exons   (0, 0)

(no "Exon" information available for 2ECH)

(-) 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:50
 aligned with VM2EA_ECHCS | P17347 from UniProtKB/Swiss-Prot  Length:49

    Alignment length:50
                                                                           49     
                                    10        20        30        40        |-
           VM2EA_ECHCS    1 QCESGPCCRNCKFLKEGTICKRARGDDMDDYCNGKTCDCPRNPHKGPAT-  -
               SCOP domains d2echa_ A: Echistatin                              SCOP domains
               CATH domains 2echA00 A:1-49 Echistatin                        - CATH domains
               Pfam domains -------------------------------------------------- Pfam domains
         Sec.struct. author .................ee...........ee.................. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------- SAPs(SNPs)
                PROSITE (1) DISINTEGRIN_2  PDB: A:2-47 UniProt: 1-47       --- PROSITE (1)
                PROSITE (2) -DISINTEGRIN_1       ----------------------------- PROSITE (2)
                 Transcript -------------------------------------------------- Transcript
                  2ech A  1 ECESGPCCRNCKFLKEGTICKRARGDDMDDYCNGKTCDCPRNPHKGPATx 50
                                    10        20        30        40        50
                                                                            50-NH2
   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, 1)

NMR Structure
(-)
Class: Small proteins (3458)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Few Secondary Structures (1120)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2ECH)

(-) Gene Ontology  (1, 1)

NMR Structure(hide GO term definitions)
Chain A   (VM2EA_ECHCS | P17347)
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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  2ech
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  VM2EA_ECHCS | P17347
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 Related Entries

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

UniProtKB/Swiss-Prot
        VM2EA_ECHCS | P17347: 1ro3

(-) Related Entries Specified in the PDB File

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