2HDQ	Hydrolase	date	Jun 20, 2006
title	Ampc Beta-Lactamase In Complex With 2-Carboxythiophene
authors	K.Babaoglu, B.K.Shoichet
compound		source
Molecule: Beta-Lactamase Chain: A, B Synonym: Cephalosporinase Ec: 3.5.2.6 Engineered: Yes		Organism_scientific: Escherichia Coli K12 Organism_taxid: 83333 Strain: K-12 Gene: Ampc Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm109
symmetry	Space Group: C 1 2 1	R_factor 0.183 R_Free 0.227
crystal cell	length a length b length c angle alpha angle beta angle gamma 119.434 74.781 98.281 90.00 116.14 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	C21 BindingDB	enzyme	Hydrolase E.C.3.5.2.6 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Deconstructing fragment-based inhibitor discovery., Babaoglu K, Shoichet BK, Nat Chem Biol. 2006 Dec;2(12):720-3. Epub 2006 Oct 29. PMID:17072304

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (127 Kb) [Save to disk] Biological Unit Coordinates (2hdq.pdb1.gz) 61 Kb Biological Unit Coordinates (2hdq.pdb2.gz) 63 Kb LPC: Ligand-Protein Contacts for 2HDQ CSU: Contacts of Structural Units for 2HDQ Likely Quarternary Molecular Structure file(s) for 2HDQ Structure Factors (690 Kb) Retrieve 2HDQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HDQ from S2C, [Save to disk] Re-refined 2hdq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HDQ 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 2HDQ

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 2HDQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hdq_B] [2hdq] [2hdq_A] SWISS-PROT database: [P00811] Domain organization of [AMPC_ECOLI] by SWISSPFAM

Other resources with information on 2HDQ

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

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