2HOC	Lyase	date	Jul 14, 2006
title	Crystal Structure Of The Human Carbonic Anhydrase II In Comp The 5-(4-Amino-3-Chloro-5-Fluorophenylsulfonamido)-1,3,4-Th 2-Sulfonamide Inhibitor
authors	V.Menchise, A.Di Fiore, G.De Simone
compound		source
Molecule: Carbonic Anhydrase 2 Chain: A Synonym: Carbonic Anhydrase II, Carbonate Dehydratase II, C Carbonic Anhydrase C; Ec: 4.2.1.1		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Human Erythrocytes
symmetry	Space Group: P 1 21 1	R_factor 0.184 R_Free 0.223
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.100 41.400 71.730 90.00 104.31 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	1CN, GOL, MBO, ZN BindingDB	enzyme	Lyase E.C.4.2.1.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Carbonic anhydrase inhibitors: X-ray crystallographic studies for the binding of 5-amino-1,3,4-thiadiazole-2-sulfonamide and 5-(4-amino-3-chloro-5-fluorophenylsulfonamido)-1,3,4-thiadiazole-2-sulfona mide to human isoform II., Menchise V, Simone GD, Fiore AD, Scozzafava A, Supuran CT, Bioorg Med Chem Lett. 2006 Sep 23;. PMID:17000110

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (51 Kb) [Save to disk] Biological Unit Coordinates (2hoc.pdb1.gz) 46 Kb LPC: Ligand-Protein Contacts for 2HOC CSU: Contacts of Structural Units for 2HOC Likely Quarternary Molecular Structure file(s) for 2HOC Structure Factors (159 Kb) Retrieve 2HOC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HOC from S2C, [Save to disk] Re-refined 2hoc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HOC 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 2HOC

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 2HOC, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hoc] [2hoc_A] SWISS-PROT database: [P00918] Domain organization of [CAH2_HUMAN] by SWISSPFAM Domain found in 2HOC: [Carb_anhydrase ] by SMART

Other resources with information on 2HOC

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

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