1HLK	Hydrolase	date	Dec 01, 2000
title	Metallo-Beta-Lactamase From Bacteroides Fragilis In Complex Tricyclic Inhibitor
authors	D.J.Payne, J.A.Hueso-Rodriguez, H.Boyd, N.O.Concha, C.A.Janson, M J.H.Bateson, C.Chever, N.L.Niconovich, S.Pearson, S.Rittenhouse E.Diez, P.Perez, J.De La Fuente, M.Rees, A.Rivera-Sagredo
compound		source
Molecule: Beta-Lactamase, Type II Chain: A, B Synonym: Metallo-Beta-Lactamase, Penicillinase, Cephalospor Imipenem-Cefoxitin Hydrolyzing Enzyme; Ec: 3.5.2.6 Engineered: Yes		Organism_scientific: Bacteroides Fragilis Organism_taxid: 817 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Pet
symmetry	Space Group: P 1	R_factor 0.165 R_Free 0.228
crystal cell	length a length b length c angle alpha angle beta angle gamma 41.800 44.200 58.500 92.80 95.30 98.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	113, NA, ZN	enzyme	Hydrolase E.C.3.5.2.6 BRENDA
related structures	by homologous chain: 1A8T, 1KR3
Gene Ontology	Chain Function Process Component A, B
Primary reference	Identification of a series of tricyclic natural products as potent broad-spectrum inhibitors of metallo-beta-lactamases., Payne DJ, Hueso-Rodriguez JA, Boyd H, Concha NO, Janson CA, Gilpin M, Bateson JH, Cheever C, Niconovich NL, Pearson S, Rittenhouse S, Tew D, Diez E, Perez P, De La Fuente J, Rees M, Rivera-Sagredo A, Antimicrob Agents Chemother 2002 Jun;46(6):1880-6. PMID:12019104

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (77 Kb) [Save to disk] Biological Unit Coordinates (1hlk.pdb1.gz) 38 Kb Biological Unit Coordinates (1hlk.pdb2.gz) 37 Kb LPC: Ligand-Protein Contacts for 1HLK CSU: Contacts of Structural Units for 1HLK Likely Quarternary Molecular Structure file(s) for 1HLK Retrieve 1HLK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HLK from S2C, [Save to disk]

View 1HLK 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 1HLK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1HLK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hlka_, region A [Jmol] [rasmolscript] [script source]     - Domain d1hlkb_, 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: [1hlk_A] [1hlk_B] [1hlk] SWISS-PROT database: [P25910] Domain organization of [BLAB_BACFR] by SWISSPFAM Domain found in 1HLK: [Lactamase_B ] by SMART

Other resources with information on 1HLK

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

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