1HRK	Lyase	date	Dec 21, 2000
title	Crystal Structure Of Human Ferrochelatase
authors	C.K.Wu, H.A.Dailey, J.P.Rose, A.Burden, V.M.Sellers, B.C.Wang
compound		source
Molecule: Ferrochelatase Chain: A, B Fragment: Mature Length Synonym: Protoheme Ferro-Lyase, Heme Synthetase Ec: 4.99.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm109 Expression_system_vector_type: Plasmid Expression_system_plasmid: Phdtf20
symmetry	Space Group: P 21 21 21	R_factor 0.202 R_Free 0.226
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.433 87.569 109.699 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CHD, FES	enzyme	Lyase E.C.4.99.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	The 2.0 A structure of human ferrochelatase, the terminal enzyme of heme biosynthesis., Wu CK, Dailey HA, Rose JP, Burden A, Sellers VM, Wang BC, Nat Struct Biol 2001 Feb;8(2):156-60. PMID:11175906

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (132 Kb) [Save to disk] Biological Unit Coordinates (1hrk.pdb1.gz) 126 Kb LPC: Ligand-Protein Contacts for 1HRK CSU: Contacts of Structural Units for 1HRK Likely Quarternary Molecular Structure file(s) for 1HRK Structure Factors (513 Kb) Retrieve 1HRK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HRK from S2C, [Save to disk] Re-refined 1hrk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1HRK 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 1HRK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1HRK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hrka_, region A [Jmol] [rasmolscript] [script source]     - Domain d1hrkb_, region B [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: [1hrk_B] [1hrk] [1hrk_A] SWISS-PROT database: [P22830] Domain organization of [HEMH_HUMAN] by SWISSPFAM

Other resources with information on 1HRK

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

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