2I99 Oxidoreductase date Sep 05, 2006
title Crystal Structure Of Human Mu_crystallin At 2.6 Angstrom
authors Z.Cheng, L.Sun, J.He, W.Gong
compound source
Molecule: Mu-Crystallin Homolog
Chain: A, B
Synonym: Nadp-Regulated Thyroid-Hormone-Binding Protein, P3 Cytosolic Thyroid Binding Protein;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Brain
Gene: Crym, Thbp
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet22b
symmetry Space Group: P 21 21 21
R_factor 0.213 R_Free 0.262
length a length b length c angle alpha angle beta angle gamma
70.980 90.860 101.183 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand NDP enzyme
A, B

Primary referenceCrystal structure of human {micro}-crystallin complexed with NADPH., Cheng Z, Sun L, He J, Gong W, Protein Sci. 2007 Feb;16(2):329-35. PMID:17242435
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (105 Kb) [Save to disk]
  • Biological Unit Coordinates (2i99.pdb1.gz) 100 Kb
  • LPC: Ligand-Protein Contacts for 2I99
  • CSU: Contacts of Structural Units for 2I99
  • Likely Quarternary Molecular Structure file(s) for 2I99
  • Structure Factors (400 Kb)
  • Retrieve 2I99 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2I99 from S2C, [Save to disk]
  • Re-refined 2i99 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2I99 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 2I99
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2I99, from MSDmotif at EBI
  • Fold representative 2i99 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2i99_A] [2i99] [2i99_B]
  • SWISS-PROT database: [Q14894]
  • Domain organization of [CRYM_HUMAN] by SWISSPFAM
  • Other resources with information on 2I99
  • Community annotation for 2I99 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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