1XPZ	Lyase	date	Oct 11, 2004
title	Structure Of Human Carbonic Anhydrase II With 4-[4-O-Sulfamo (4-Cyanophenyl)Amino]-4h-[1,2,4]-Triazole
authors	M.D.Lloyd, N.Thiyagarajan, Y.T.Ho, L.W.L.Woo, O.B.Sutcliffe, A.Pu M.J.Reed, K.R.Acharya, B.V.L.Potter
compound		source
Molecule: Carbonic Anhydrase II Chain: A Synonym: Carbonate Dehydratase II, Ca-II, Carbonic Anhydras Ec: 4.2.1.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ca2 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Paca
symmetry	Space Group: P 21 21 21	R_factor 0.196 R_Free 0.223
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.569 72.792 75.165 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.02 Å
ligand	4TZ, ZN BindingDB	enzyme	Lyase E.C.4.2.1.1 BRENDA
related structures	by homologous chain: 1FSN, 1G1D
Gene Ontology	Chain Function Process Component A
Primary reference	First Crystal Structures of Human Carbonic Anhydrase II in Complex with Dual Aromatase-Steroid Sulfatase Inhibitors(,)., Lloyd MD, Thiyagarajan N, Ho YT, Woo LW, Sutcliffe OB, Purohit A, Reed MJ, Acharya KR, Potter BV, Biochemistry 2005 May 10;44(18):6858-6866. PMID:15865431

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (1xpz.pdb1.gz) 44 Kb LPC: Ligand-Protein Contacts for 1XPZ CSU: Contacts of Structural Units for 1XPZ Likely Quarternary Molecular Structure file(s) for 1XPZ Structure Factors (245 Kb) Retrieve 1XPZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XPZ from S2C, [Save to disk] Re-refined 1xpz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XPZ 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 1XPZ

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 1XPZ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xpz_A] [1xpz] SWISS-PROT database: [P00918] Domain organization of [CAH2_HUMAN] by SWISSPFAM Domain found in 1XPZ: [Carb_anhydrase ] by SMART

Other resources with information on 1XPZ

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

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