2EU3	Lyase	date	Oct 28, 2005
title	Human Carbonic Anhydrase II In Complex With Novel Inhibitors
authors	S.Z.Fisher, L.Govindasamy, N.Boyle, M.Agbandje-Mckenna, D.N.Silv G.M.Blackburn, R.Mckenna
compound		source
Molecule: Carbonic Anhydrase 2 Chain: A Fragment: Human Carbonic Anhydrase II Synonym: Carbonic Anhydrase II, Carbonate Dehydratase II, C Carbonic Anhydrase C; Ec: 4.2.1.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ca2 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 1 21 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.278 41.396 72.204 90.00 103.96 90.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	FF3, ZN	enzyme	Lyase E.C.4.2.1.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray crystallographic studies reveal that the incorporation of spacer groups in carbonic anhydrase inhibitors causes alternate binding modes., Fisher SZ, Govindasamy L, Boyle N, Agbandje-McKenna M, Silverman DN, Blackburn GM, McKenna R, Acta Crystallograph Sect F Struct Biol Cryst Commun. 2006 Jul 1;62(Pt, 7):618-22. Epub 2006 Jun 10. PMID:16820676

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (2eu3.pdb1.gz) 46 Kb LPC: Ligand-Protein Contacts for 2EU3 CSU: Contacts of Structural Units for 2EU3 Likely Quarternary Molecular Structure file(s) for 2EU3 Structure Factors (270 Kb) Retrieve 2EU3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2EU3 from S2C, [Save to disk] Re-refined 2eu3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2EU3 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 2EU3

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 2EU3, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2eu3] [2eu3_A] SWISS-PROT database: [P00918] Domain organization of [CAH2_HUMAN] by SWISSPFAM Domain found in 2EU3: [Carb_anhydrase ] by SMART

Other resources with information on 2EU3

Community annotation for 2EU3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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