2HFW	Lyase	date	Jun 26, 2006
title	Structural And Kinetic Analysis Of Proton Shuttle Residues I Active Site Of Human Carbonic Anhydrase III
authors	I.Elder, S.Z.Fisher, P.J.Laipis, C.K.Tu, R.Mckenna, D.N.Silverman
compound		source
Molecule: Carbonic Anhydrase 3 Chain: A Fragment: Hca III Synonym: Carbonic Anhydrase III, Carbonate Dehydratase III, Ec: 4.2.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ca3 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet
symmetry	Space Group: P 21 21 21	R_factor 0.204 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.373 51.674 117.659 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	ZN	enzyme	Lyase E.C.4.2.1.1 BRENDA
Gene Ontology	Chain Function Process Component A phosphatase activity
Primary reference	Structural and kinetic analysis of proton shuttle residues in the active site of human carbonic anhydrase III., Elder I, Fisher Z, Laipis PJ, Tu C, McKenna R, Silverman DN, Proteins. 2007 Apr 11;. PMID:17427958

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (48 Kb) [Save to disk] Biological Unit Coordinates (2hfw.pdb1.gz) 43 Kb LPC: Ligand-Protein Contacts for 2HFW CSU: Contacts of Structural Units for 2HFW Likely Quarternary Molecular Structure file(s) for 2HFW Structure Factors (66 Kb) Retrieve 2HFW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HFW from S2C, [Save to disk] Re-refined 2hfw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HFW 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 2HFW

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 2HFW, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hfw] [2hfw_A] SWISS-PROT database: [P07451] Domain organization of [CAH3_HUMAN] by SWISSPFAM Domain found in 2HFW: [Carb_anhydrase ] by SMART

Other resources with information on 2HFW

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

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