1QKI Oxidoreductase date Jul 20, 1999
title X-Ray Structure Of Human Glucose 6-Phosphate Dehydrogenase ( Canton R459l) Complexed With Structural Nadp+
authors S.W.N.Au, S.Gover, V.M.S.Lam, M.J.Adams
compound source
Molecule: Glucose-6-Phosphate 1-Dehydrogenase
Chain: A, B, C, D, E, F, G, H
Synonym: G6pd
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: G6pd
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Df213
Expression_system_vector_type: Plasmid
Expression_system_vector: Ptrc99a
Expression_system_plasmid: Ptrc99ag6pdr459l
Expression_system_gene: G6pd
symmetry Space Group: P 21 21 21
R_factor 0.247 R_Free 0.294
length a length b length c angle alpha angle beta angle gamma
128.900 208.700 214.300 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.00 Å
ligand GOA, GOL, NAP enzyme Oxidoreductase E.C. BRENDA
related structures by homologous chain: 2BHL
F, A, E, B, H, C, D, G

Primary referenceHuman glucose-6-phosphate dehydrogenase: the crystal structure reveals a structural NADP(+) molecule and provides insights into enzyme deficiency., Au SW, Gover S, Lam VM, Adams MJ, Structure Fold Des 2000 Mar 15;8(3):293-303. PMID:10745013
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (647 Kb) [Save to disk]
  • Biological Unit Coordinates (1qki.pdb1.gz) 323 Kb
  • Biological Unit Coordinates (1qki.pdb2.gz) 322 Kb
  • LPC: Ligand-Protein Contacts for 1QKI
  • CSU: Contacts of Structural Units for 1QKI
  • Likely Quarternary Molecular Structure file(s) for 1QKI
  • Structure Factors (695 Kb)
  • Retrieve 1QKI in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QKI from S2C, [Save to disk]
  • Re-refined 1qki structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1QKI 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 1QKI
  • 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 1QKI, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qkia1, region A:12-199,A:435-449 [Jmol] [rasmolscript] [script source]
        - Domain d1qkia2, region A:200-434,A:450-511 [Jmol] [rasmolscript] [script source]
        - Domain d1qkib1, region B:11-199,B:435-449 [Jmol] [rasmolscript] [script source]
        - Domain d1qkib2, region B:200-434,B:450-511 [Jmol] [rasmolscript] [script source]
        - Domain d1qkic1, region C:11-199,C:435-449 [Jmol] [rasmolscript] [script source]
        - Domain d1qkic2, region C:200-434,C:450-511 [Jmol] [rasmolscript] [script source]
        - Domain d1qkid1, region D:10-199,D:435-449 [Jmol] [rasmolscript] [script source]
        - Domain d1qkid2, region D:200-434,D:450-511 [Jmol] [rasmolscript] [script source]
        - Domain d1qkie1, region E:10-199,E:435-449 [Jmol] [rasmolscript] [script source]
        - Domain d1qkie2, region E:200-434,E:450-511 [Jmol] [rasmolscript] [script source]
        - Domain d1qkif2, region F:200-434,F:450-511 [Jmol] [rasmolscript] [script source]
        - Domain d1qkif1, region F:8-199,F:435-449 [Jmol] [rasmolscript] [script source]
        - Domain d1qkig1, region G:10-199,G:435-449 [Jmol] [rasmolscript] [script source]
        - Domain d1qkig2, region G:200-434,G:450-511 [Jmol] [rasmolscript] [script source]
        - Domain d1qkih1, region H:10-199,H:435-449 [Jmol] [rasmolscript] [script source]
        - Domain d1qkih2, region H:200-434,H:450-511 [Jmol] [rasmolscript] [script source]
  • Fold representative 1qki 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: [1qki] [1qki_B] [1qki_A] [1qki_E] [1qki_G] [1qki_F] [1qki_C] [1qki_H] [1qki_D]
  • SWISS-PROT database: [P11413]
  • Domain organization of [G6PD_HUMAN] by SWISSPFAM
  • Other resources with information on 1QKI
  • Community annotation for 1QKI 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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