1KQG	Oxidoreductase	date	Jan 05, 2002
title	Formate Dehydrogenase N From E. Coli
authors	M.Jormakka, S.Tornroth, B.Byrne, S.Iwata
compound		source
Molecule: Formate Dehydrogenase, Nitrate-Inducible, Major S Chain: A Synonym: Formate Dehydrogenase-N Alpha Subunit; Fdh-N Alpha Anaerobic Formate Dehydrogenase Major Subunit; Ec: 1.2.1.2		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: Gl101
Molecule: Formate Dehydrogenase, Nitrate-Inducible, Iron-Su Subunit; Chain: B Synonym: Formate Dehydrogenase-N Beta Subunit; Fdh-N Beta S Anaerobic Formate Dehydrogenase Iron-Sulfur Subunit; Ec: 1.2.1.2		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: Gl101
Molecule: Formate Dehydrogenase, Nitrate-Inducible, Cytochr B556(Fdn) Subunit; Chain: C Synonym: Formate Dehydrogenase-N Gamma Subunit; Fdh-N Gamma Anaerobic Formate Dehydrogenase Cytochrome B556 Subunit; Ec: 1.2.1.2 Other_details: Hqno Complex		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: Gl101
symmetry	Space Group: P 21 3	R_factor 0.198 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 203.000 203.000 203.000 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	6MO, CDL, HEM, HQO, MGD, SF4	enzyme	Oxidoreductase E.C.1.2.1.2 BRENDA
related structures	by homologous chain: 1KQF
Gene Ontology	Chain Function Process Component A B electron transfer activity C
Primary reference	Molecular basis of proton motive force generation: structure of formate dehydrogenase-N., Jormakka M, Tornroth S, Byrne B, Iwata S, Science 2002 Mar 8;295(5561):1863-8. PMID:11884747

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (287 Kb) [Save to disk] Biological Unit Coordinates (1kqg.pdb1.gz) 821 Kb LPC: Ligand-Protein Contacts for 1KQG CSU: Contacts of Structural Units for 1KQG Likely Quarternary Molecular Structure file(s) for 1KQG Retrieve 1KQG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KQG from S2C, [Save to disk]

View 1KQG 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 1KQG

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KQG, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kqga2, region A:34-850 [Jmol] [rasmolscript] [script source]     - Domain d1kqga1, region A:851-1015 [Jmol] [rasmolscript] [script source]     - Domain d1kqgb1, region B:2-245 [Jmol] [rasmolscript] [script source]     - Domain d1kqgb2, region B:246-290 [Jmol] [rasmolscript] [script source]     - Domain d1kqgc_, region C [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: [1kqg_B] [1kqg] [1kqg_C] [1kqg_A] SWISS-PROT database: [P24183] [P0AAJ3] [P0AEK7] Belongs to the prokaryotic molybdopterin-containing oxidoreductase (pmo) family according to TCDB. Domain organization of [FDNG_ECOLI] [FDNH_ECOLI] [FDNI_ECOLI] by SWISSPFAM Domain found in 1KQG: [Molybdop_Fe4S4 ] by SMART

Other resources with information on 1KQG

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

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