1H19	Hydrolase	date	Jul 04, 2002
title	Structure Of [E271q]Leukotriene A4 Hydrolase
authors	P.C.Rudberg, F.Tholander, M.M.G.M.Thunnissen, J.Z.Haeggstrom
compound		source
Molecule: Leukotriene A-4 Hydrolase Chain: A Synonym: Lta-4 Hydrolase, Leukotriene A(4) Hydrolase Ec: 3.3.2.6 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: Jm101 Expression_system_plasmid: Pt3-Mb4
symmetry	Space Group: P 21 21 21	R_factor 0.184 R_Free 0.232
crystal cell	length a length b length c angle alpha angle beta angle gamma 77.962 86.873 98.787 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	ACY, IMD, YB, ZN	enzyme	Hydrolase E.C.3.3.2.6 BRENDA
related structures	by homologous chain: 1GW6, 1HS6
Gene Ontology	Chain Function Process Component A
Primary reference	Leukotriene A4 hydrolase/aminopeptidase. Glutamate 271 is a catalytic residue with specific roles in two distinct enzyme mechanisms., Rudberg PC, Tholander F, Thunnissen MM, Haeggstrom JZ, J Biol Chem 2002 Jan 11;277(2):1398-404. PMID:11675384

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (112 Kb) [Save to disk] Biological Unit Coordinates (1h19.pdb1.gz) 107 Kb LPC: Ligand-Protein Contacts for 1H19 CSU: Contacts of Structural Units for 1H19 Likely Quarternary Molecular Structure file(s) for 1H19 Structure Factors (413 Kb) Retrieve 1H19 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1H19 from S2C, [Save to disk] Re-refined 1h19 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1H19 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 1H19

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 1H19, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1h19a2, region A:1-208 [Jmol] [rasmolscript] [script source]     - Domain d1h19a3, region A:209-460 [Jmol] [rasmolscript] [script source]     - Domain d1h19a1, region A:461-610 [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: [1h19_A] [1h19] SWISS-PROT database: [P09960] Domain organization of [LKHA4_HUMAN] by SWISSPFAM Domain found in 1H19: [Leuk-A4-hydro_C ] by SMART

Other resources with information on 1H19

Community annotation for 1H19 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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