1KNT Collagen Type Vi Fragment date Aug 18, 1994
title The 1.6 Angstroms Structure Of The Kunitz-Type Domain From The Alpha3 Chain Of The Human Type Vi Collagen
authors B.Arnoux, K.Merigeau, P.Saludjian, F.Norris, K.Norris, S.Bjorn, O.Olsen, L.Petersen, A.Ducruix
compound source
Molecule: Collagen Type Vi
Chain: A
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Saccharomyces Cerevisiae
Expression_system_common: Baker'S Yeast
Expression_system_taxid: 4932
symmetry Space Group: P 1 21 1
R_factor 0.189 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
25.700 38.200 28.800 90.00 109.00 90.00
method X-Ray Diffractionresolution 1.60 Å
ligand SO4 enzyme
related structures by homologous chain: 1KUN, 2KNT
Primary referenceThe 1.6 A structure of Kunitz-type domain from the alpha 3 chain of human type VI collagen., Arnoux B, Merigeau K, Saludjian P, Norris F, Norris K, Bjorn S, Olsen O, Petersen L, Ducruix A, J Mol Biol 1995 Mar 10;246(5):609-17. PMID:7533217
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (13 Kb) [Save to disk]
  • Biological Unit Coordinates (1knt.pdb1.gz) 10 Kb
  • LPC: Ligand-Protein Contacts for 1KNT
  • CSU: Contacts of Structural Units for 1KNT
  • Likely Quarternary Molecular Structure file(s) for 1KNT
  • Retrieve 1KNT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KNT from S2C, [Save to disk]
  • View 1KNT in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1KNT
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1KNT, from MSDmotif at EBI
  • Genome occurence of 1KNT's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1knt__, region [Jmol] [rasmolscript] [script source]
  • Fold representative 1knt from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1knt] [1knt_A]
  • SWISS-PROT database: [P12111]
  • Domain organization of [CO6A3_HUMAN] by SWISSPFAM
  • Domain found in 1KNT: [KU ] by SMART
  • Alignments of the sequence of 1KNT with the sequences similar proteins can be viewed for 1KNT's classification [CO6A3_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [CO6A3_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 1KNT
  • Community annotation for 1KNT at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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