1FP4	Oxidoreductase	date	Aug 30, 2000
title	Crystal Structure Of The Alpha-H195q Mutant Of Nitrogenase
authors	M.Sorlie, J.Christiansen, B.J.Lemon, J.W.Peters, D.R.Dean, B.J.Ha
compound		source
Molecule: Nitrogenase Molybdenum-Iron Protein Alpha Chain Chain: A, C Ec: 1.18.6.1 Engineered: Yes Mutation: Yes		Organism_scientific: Azotobacter Vinelandii Organism_taxid: 354
Molecule: Nitrogenase Molybdenum-Iron Protein Beta Chain Chain: B, D Ec: 1.18.6.1 Engineered: Yes		Organism_scientific: Azotobacter Vinelandii Organism_taxid: 354
symmetry	Space Group: P 1 21 1	R_factor 0.184 R_Free 0.240
crystal cell	length a length b length c angle alpha angle beta angle gamma 107.200 130.200 80.400 90.00 111.20 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	CA, CFM, CLP, HCA	enzyme	Oxidoreductase E.C.1.18.6.1 BRENDA
related structures	by homologous chain: 1L5H, 1N2C
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Mechanistic features and structure of the nitrogenase alpha-Gln195 MoFe protein., Sorlie M, Christiansen J, Lemon BJ, Peters JW, Dean DR, Hales BJ, Biochemistry 2001 Feb 13;40(6):1540-9. PMID:11327812

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (334 Kb) [Save to disk] Biological Unit Coordinates (1fp4.pdb1.gz) 320 Kb LPC: Ligand-Protein Contacts for 1FP4 CSU: Contacts of Structural Units for 1FP4 Likely Quarternary Molecular Structure file(s) for 1FP4 Retrieve 1FP4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1FP4 from S2C, [Save to disk]

View 1FP4 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 1FP4

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1FP4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1fp4a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1fp4b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1fp4c_, region C [Jmol] [rasmolscript] [script source]     - Domain d1fp4d_, 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: [1fp4] [1fp4_D] [1fp4_B] [1fp4_A] [1fp4_C] SWISS-PROT database: [P07328] [P07329] Domain organization of [NIFD_AZOVI] [NIFK_AZOVI] by SWISSPFAM

Other resources with information on 1FP4

Community annotation for 1FP4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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