1U9U	Electron Transport	date	Aug 11, 2004
title	Crystal Structure Of F58y Mutant Of Cytochrome B5
authors	L.Shan, J.X.Lu, J.H.Gan, Y.H.Wang, Z.X.Huang, Z.X.Xia
compound		source
Molecule: Cytochrome B5 Chain: A Fragment: Trypsin-Solubilized Fragment Engineered: Yes Mutation: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pu19
symmetry	Space Group: C 1 2 1	R_factor 0.190 R_Free 0.215
crystal cell	length a length b length c angle alpha angle beta angle gamma 70.515 40.405 39.300 90.00 111.70 90.00
method	X-Ray Diffraction	resolution	1.86 Å
ligand	HEM	enzyme
related structures	by homologous chain: 1LR6, 1M2M
Gene Ontology	Chain Function Process Component A
Primary reference	Structure of the F58W mutant of cytochrome b5: the mutation leads to multiple conformations and weakens stacking interactions., Shan L, Lu JX, Gan JH, Wang YH, Huang ZX, Xia ZX, Acta Crystallogr D Biol Crystallogr. 2005 Feb;61(Pt 2):180-9. Epub 2005, Jan 19. PMID:15681869

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (20 Kb) [Save to disk] Biological Unit Coordinates (1u9u.pdb1.gz) 16 Kb LPC: Ligand-Protein Contacts for 1U9U CSU: Contacts of Structural Units for 1U9U Likely Quarternary Molecular Structure file(s) for 1U9U Structure Factors (138 Kb) Retrieve 1U9U in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1U9U from S2C, [Save to disk] Re-refined 1u9u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1U9U 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 1U9U

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 1U9U, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1u9u_A] [1u9u] SWISS-PROT database: [P00171] Domain organization of [CYB5_BOVIN] by SWISSPFAM Domain found in 1U9U: [Cyt-b5 ] by SMART

Other resources with information on 1U9U

Community annotation for 1U9U at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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