1QNI	Oxidoreductase	date	Oct 15, 1999
title	Crystal Structure Of Nitrous Oxide Reductase From Pseudomona At 2.4a Resolution
authors	K.Brown, M.Tegoni, C.Cambillau
compound		source
Molecule: Nitrous-Oxide Reductase Chain: A, B, C, D, E, F		Organism_scientific: Pseudomonas Nautica Organism_taxid: 2743 Cellular_location: Periplasm
symmetry	Space Group: P 61	R_factor 0.228 R_Free 0.261
crystal cell	length a length b length c angle alpha angle beta angle gamma 211.290 211.290 166.457 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	CA, CL, CUA, CUZ	enzyme
Gene Ontology	Chain Function Process Component F, A, D, C, E, B cytochrome-c oxidase activit...
Primary reference	A novel type of catalytic copper cluster in nitrous oxide reductase., Brown K, Tegoni M, Prudencio M, Pereira AS, Besson S, Moura JJ, Moura I, Cambillau C, Nat Struct Biol 2000 Mar;7(3):191-5. PMID:10700275

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (584 Kb) [Save to disk] Biological Unit Coordinates (1qni.pdb1.gz) 203 Kb Biological Unit Coordinates (1qni.pdb2.gz) 193 Kb Biological Unit Coordinates (1qni.pdb3.gz) 198 Kb LPC: Ligand-Protein Contacts for 1QNI CSU: Contacts of Structural Units for 1QNI Likely Quarternary Molecular Structure file(s) for 1QNI Structure Factors (1182 Kb) Retrieve 1QNI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QNI from S2C, [Save to disk] Re-refined 1qni structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QNI 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 1QNI

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 1QNI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qnia2, region A:10-450 [Jmol] [rasmolscript] [script source]     - Domain d1qnia1, region A:451-581 [Jmol] [rasmolscript] [script source]     - Domain d1qnib2, region B:10-450 [Jmol] [rasmolscript] [script source]     - Domain d1qnib1, region B:451-581 [Jmol] [rasmolscript] [script source]     - Domain d1qnic2, region C:10-450 [Jmol] [rasmolscript] [script source]     - Domain d1qnic1, region C:451-581 [Jmol] [rasmolscript] [script source]     - Domain d1qnid2, region D:10-450 [Jmol] [rasmolscript] [script source]     - Domain d1qnid1, region D:451-581 [Jmol] [rasmolscript] [script source]     - Domain d1qnie2, region E:10-450 [Jmol] [rasmolscript] [script source]     - Domain d1qnie1, region E:451-581 [Jmol] [rasmolscript] [script source]     - Domain d1qnif2, region F:10-450 [Jmol] [rasmolscript] [script source]     - Domain d1qnif1, region F:451-581 [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: [1qni_C] [1qni_B] [1qni] [1qni_E] [1qni_F] [1qni_D] [1qni_A] SWISS-PROT database: [Q7SIA3] Domain organization of [Q7SIA3_MARHY] by SWISSPFAM

Other resources with information on 1QNI

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

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