1QLM	Hydrolase	date	Sep 01, 1999
title	The Crystal Structure Of Methenyltetrahydromethanopterin Cyclohydrolase From The Hyperthermophilic Archaeon Methanop Kandleri
authors	W.Grabarse
compound		source
Molecule: Methenyltetrahydromethanopterin Cyclohydrolase Chain: A Synonym: Methenyl-H4mpt Cyclohydrolase Ec: 3.5.4.27 Engineered: Yes Mutation: Yes Other_details: Three Phosphate Molecules		Organism_scientific: Methanopyrus Kandleri Organism_taxid: 2320 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cellular_location: Cytoplasm Other_details: Heterologously Expressed In Escherichia Coli
symmetry	Space Group: P 63 2 2	R_factor 0.198 R_Free 0.219
crystal cell	length a length b length c angle alpha angle beta angle gamma 125.900 125.900 172.400 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	PO4	enzyme	Hydrolase E.C.3.5.4.27 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	The crystal structure of methenyltetrahydromethanopterin cyclohydrolase from the hyperthermophilic archaeon Methanopyrus kandleri., Grabarse W, Vaupel M, Vorholt JA, Shima S, Thauer RK, Wittershagen A, Bourenkov G, Bartunik HD, Ermler U, Structure Fold Des 1999 Oct 15;7(10):1257-68. PMID:10545331

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk] Biological Unit Coordinates (1qlm.pdb1.gz) 158 Kb LPC: Ligand-Protein Contacts for 1QLM CSU: Contacts of Structural Units for 1QLM Likely Quarternary Molecular Structure file(s) for 1QLM Structure Factors (409 Kb) Retrieve 1QLM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QLM from S2C, [Save to disk] Re-refined 1qlm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QLM 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 1QLM

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 1QLM, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qlma_, region A [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: [1qlm_A] [1qlm] SWISS-PROT database: [P94954] Domain organization of [MCH_METKA] by SWISSPFAM

Other resources with information on 1QLM

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

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