1NF4	Iron Storage Electron Transport	date	Dec 13, 2002
title	X-Ray Structure Of The Desulfovibrio Desulfuricans Bacteriof The Diiron Site In Different States (Reduced Structure)
authors	S.Macedo, C.V.Romao, E.Mitchell, P.M.Matias, M.Y.Liu, A.V.Xavier, M.Teixeira, P.Lindley, M.A.Carrondo
compound		source
Molecule: Bacterioferritin Chain: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P		Organism_scientific: Desulfovibrio Desulfuricans Organism_taxid: 876 Strain: Atcc 27774
symmetry	Space Group: P 21 3	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 225.680 225.680 225.680 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.05 Å
ligand	FE2, FEC, SO4	enzyme
related structures	by homologous chain: 1NF6, 1NFV
Gene Ontology	Chain Function Process Component F, N, K, E, M, C, L, A, J, O, P, B, H, D, I, G
Primary reference	The nature of the di-iron site in the bacterioferritin from Desulfovibrio desulfuricans., Macedo S, Romao CV, Mitchell E, Matias PM, Liu MY, Xavier AV, LeGall J, Teixeira M, Lindley P, Carrondo MA, Nat Struct Biol 2003 Apr;10(4):285-90. PMID:12627224

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (495 Kb) [Save to disk] Biological Unit Coordinates (1nf4.pdb1.gz) 475 Kb Biological Unit Coordinates (1nf4.pdb2.gz) 712 Kb Biological Unit Coordinates (1nf4.pdb3.gz) 706 Kb LPC: Ligand-Protein Contacts for 1NF4 CSU: Contacts of Structural Units for 1NF4 Likely Quarternary Molecular Structure file(s) for 1NF4 Structure Factors (2397 Kb) Retrieve 1NF4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NF4 from S2C, [Save to disk] Re-refined 1nf4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1NF4 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 1NF4

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 1NF4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1nf4a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1nf4b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1nf4c_, region C [Jmol] [rasmolscript] [script source]     - Domain d1nf4d_, region D [Jmol] [rasmolscript] [script source]     - Domain d1nf4e_, region E [Jmol] [rasmolscript] [script source]     - Domain d1nf4f_, region F [Jmol] [rasmolscript] [script source]     - Domain d1nf4g_, region G [Jmol] [rasmolscript] [script source]     - Domain d1nf4h_, region H [Jmol] [rasmolscript] [script source]     - Domain d1nf4i_, region I [Jmol] [rasmolscript] [script source]     - Domain d1nf4j_, region J [Jmol] [rasmolscript] [script source]     - Domain d1nf4k_, region K [Jmol] [rasmolscript] [script source]     - Domain d1nf4l_, region L [Jmol] [rasmolscript] [script source]     - Domain d1nf4m_, region M [Jmol] [rasmolscript] [script source]     - Domain d1nf4n_, region N [Jmol] [rasmolscript] [script source]     - Domain d1nf4o_, region O [Jmol] [rasmolscript] [script source]     - Domain d1nf4p_, region P [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: [1nf4_M] [1nf4_P] [1nf4_B] [1nf4_E] [1nf4_K] [1nf4_N] [1nf4_I] [1nf4_O] [1nf4_H] [1nf4_C] [1nf4_A] [1nf4_G] [1nf4] [1nf4_F] [1nf4_D] [1nf4_J] [1nf4_L] SWISS-PROT database: [Q93PP9] Domain organization of [BFR_DESDA] by SWISSPFAM

Other resources with information on 1NF4

Community annotation for 1NF4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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