2HK6	Lyase	date	Jul 03, 2006
title	Crystal Structure Of B. Subtilis Ferrochelatase With Iron Bo Active Site
authors	S.Al-Karadaghi, T.Karlberg
compound		source
Molecule: Ferrochelatase Chain: A Synonym: Protoheme Ferro-Lyase, Heme Synthetase Ec: 4.99.1.1 Engineered: Yes		Organism_scientific: Bacillus Subtilis Organism_taxid: 1423 Gene: Hemh, Hemf Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector: Plasmid Expression_system_plasmid: Plugt7-H
symmetry	Space Group: P 21 21 21	R_factor 0.176 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 48.650 49.980 118.850 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.71 Å
ligand	FE, MG	enzyme	Lyase E.C.4.99.1.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Amino Acid Residues His183 and Glu264 in Bacillus subtilis Ferrochelatase Direct and Facilitate the Insertion of Metal Ion into Protoporphyrin IX(,)., Hansson MD, Karlberg T, Rahardja MA, Al-Karadaghi S, Hansson M, Biochemistry. 2007 Jan 9;46(1):87-94. PMID:17198378

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk] Biological Unit Coordinates (2hk6.pdb1.gz) 57 Kb LPC: Ligand-Protein Contacts for 2HK6 CSU: Contacts of Structural Units for 2HK6 Likely Quarternary Molecular Structure file(s) for 2HK6 Structure Factors (353 Kb) Retrieve 2HK6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HK6 from S2C, [Save to disk] Re-refined 2hk6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HK6 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 2HK6

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 2HK6, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hk6_A] [2hk6] SWISS-PROT database: [P32396] Domain organization of [HEMH_BACSU] by SWISSPFAM

Other resources with information on 2HK6

Community annotation for 2HK6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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