1QGU	Oxidoreductase	date	May 06, 1999
title	Nitrogenase Mo-Fe Protein From Klebsiella Pneumoniae, Dithio Reduced State
authors	S.M.Mayer, D.M.Lawson, C.A.Gormal, S.M.Roe, B.E.Smith
compound		source
Molecule: Protein (Nitrogenase Molybdenum Iron Protein) Chain: A, C Synonym: Nitrogenase Component 1 Ec: 1.18.6.1 Other_details: Chains A And C Are Alpha-Subunits		Organism_scientific: Klebsiella Pneumoniae Organism_taxid: 573 Strain: M5a1 Variant: Wild-Type Cellular_location: Cytoplasm Other_details: Also Known As Klebsiella Pneumoniae Oxytoca
Molecule: Protein (Nitrogenase Molybdenum Iron Protein) Chain: B, D Synonym: Nitrogenase Component 1 Ec: 1.18.6.1 Other_details: Chains B And D Are Beta-Subunits		Organism_scientific: Klebsiella Pneumoniae Organism_taxid: 573 Strain: M5a1 Variant: Wild-Type Cellular_location: Cytoplasm Other_details: Also Known As Klebsiella Pneumoniae Oxytoca
symmetry	Space Group: C 1 2 1	R_factor 0.156 R_Free 0.199
crystal cell	length a length b length c angle alpha angle beta angle gamma 204.030 75.300 163.010 90.00 122.61 90.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	CFM, CL, CLF, EDO, HCA, MG	enzyme	Oxidoreductase E.C.1.18.6.1 BRENDA
related structures	by homologous chain: 1QH1, 1QH8
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	New insights into structure-function relationships in nitrogenase: A 1.6 A resolution X-ray crystallographic study of Klebsiella pneumoniae MoFe-protein., Mayer SM, Lawson DM, Gormal CA, Roe SM, Smith BE, J Mol Biol 1999 Oct 1;292(4):871-91. PMID:10525412

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (371 Kb) [Save to disk] Biological Unit Coordinates (1qgu.pdb1.gz) 362 Kb LPC: Ligand-Protein Contacts for 1QGU CSU: Contacts of Structural Units for 1QGU Likely Quarternary Molecular Structure file(s) for 1QGU Structure Factors (2440 Kb) Retrieve 1QGU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QGU from S2C, [Save to disk] Re-refined 1qgu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QGU 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 1QGU

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 3D motif for 1QGU, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qgua_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qgub_, region B [Jmol] [rasmolscript] [script source]     - Domain d1qguc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1qgud_, region D [Jmol] [rasmolscript] [script source] 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: [1qgu_B] [1qgu_A] [1qgu_D] [1qgu] [1qgu_C] SWISS-PROT database: [P00466] [P09772] Domain organization of [NIFD_KLEPN] [NIFK_KLEPN] by SWISSPFAM

Other resources with information on 1QGU

Community annotation for 1QGU at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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