3QK3 Structural Protein date Jan 31, 2011
title Crystal Structure Of Human Beta-Crystallin B3
authors T.Krojer, C.Gileadi, R.Cocking, J.Muniz, E.Pilka, W.W.Yue, M.Vollm A.C.W.Pike, F.Von Delft, C.Bountra, C.H.Arrowsmith, J.Weigelt, A K.Kavanagh, U.Oppermann, Structural Genomics Consortium (Sgc)
compound source
Molecule: Beta-Crystallin B3
Chain: A, B, C
Synonym: Beta-B3 Crystallin
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Crybb3, Cryb3
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: C 1 2 1
R_factor 0.172 R_Free 0.205
length a length b length c angle alpha angle beta angle gamma
98.778 82.627 63.592 90.00 97.92 90.00
method X-Ray Diffractionresolution 1.95 Å
ligand EDO, SO4 enzyme
A, C, B

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (193 Kb) [Save to disk]
  • Biological Unit Coordinates (3qk3.pdb1.gz) 187 Kb
  • LPC: Ligand-Protein Contacts for 3QK3
  • CSU: Contacts of Structural Units for 3QK3
  • Structure Factors (673 Kb)
  • Retrieve 3QK3 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3QK3 from S2C, [Save to disk]
  • Re-refined 3qk3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3QK3 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 3QK3
  • 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 3QK3, from MSDmotif at EBI
  • Fold representative 3qk3 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3qk3_A] [3qk3] [3qk3_B] [3qk3_C]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3QK3: [XTALbg ] by SMART
  • Other resources with information on 3QK3
  • Community annotation for 3QK3 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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