1R27	Oxidoreductase	date	Sep 26, 2003
title	Crystal Structure Of Nargh Complex
authors	M.Jormakka, D.Richardson, B.Byrne, S.Iwata
compound		source
Molecule: Respiratory Nitrate Reductase 1 Alpha Chain Chain: A, C Fragment: Alpha Chain Synonym: Nitrate Reductase 1 Alpha Subunit Ec: 1.7.99.4		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: Gl101
Molecule: Respiratory Nitrate Reductase 1 Beta Chain Chain: B, D Fragment: Beta Chain Synonym: Nitrate Reductase 1 Beta Subunit Ec: 1.7.99.4		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: Gl101
symmetry	Space Group: I 2 2 2	R_factor 0.204 R_Free 0.230
crystal cell	length a length b length c angle alpha angle beta angle gamma 127.401 298.300 296.853 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	F3S, MGD, MO, SF4	enzyme	Oxidoreductase E.C.1.7.99.4 BRENDA
related structures	by homologous chain: 1SIW, 1Y4Z
Gene Ontology	Chain Function Process Component A, C electron transfer activity D, B electron transfer activity
Primary reference	Architecture of NarGH reveals a structural classification of Mo-bisMGD enzymes., Jormakka M, Richardson D, Byrne B, Iwata S, Structure (Camb) 2004 Jan;12(1):95-104. PMID:14725769

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (585 Kb) [Save to disk] Biological Unit Coordinates (1r27.pdb1.gz) 293 Kb Biological Unit Coordinates (1r27.pdb2.gz) 292 Kb Biological Unit Coordinates (1r27.pdb3.gz) 2282 Kb Biological Unit Coordinates (1r27.pdb4.gz) 1146 Kb Biological Unit Coordinates (1r27.pdb5.gz) 575 Kb LPC: Ligand-Protein Contacts for 1R27 CSU: Contacts of Structural Units for 1R27 Likely Quarternary Molecular Structure file(s) for 1R27 Retrieve 1R27 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1R27 from S2C, [Save to disk]

View 1R27 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 1R27

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1R27, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1r27a1, region A:1075-1246 [Jmol] [rasmolscript] [script source]     - Domain d1r27a2, region A:29-1074 [Jmol] [rasmolscript] [script source]     - Domain d1r27b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1r27c1, region C:1075-1246 [Jmol] [rasmolscript] [script source]     - Domain d1r27c2, region C:29-1074 [Jmol] [rasmolscript] [script source]     - Domain d1r27d_, region D [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1r27] [1r27_D] [1r27_C] [1r27_B] [1r27_A] SWISS-PROT database: [P09152] [P11349] Belongs to the prokaryotic molybdopterin-containing oxidoreductase (pmo) family according to TCDB. Domain organization of [NARG_ECOLI] [NARH_ECOLI] by SWISSPFAM Domain found in 1R27: [Molybdop_Fe4S4 ] by SMART

Other resources with information on 1R27

Community annotation for 1R27 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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