3R16	Lyase	date	Mar 09, 2011
title	Human Caii Bound To N-(4-Sulfamoylphenyl)-2-(Thiophen-2-Yl)
authors	S.Biswas, R.Mckenna, C.T.Supuran
compound		source
Molecule: Carbonic Anhydrase 2 Chain: A Synonym: Carbonate Dehydratase II, Carbonic Anhydrase C, Ca Carbonic Anhydrase II, Ca-II; Ec: 4.2.1.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ca2 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.151 R_Free 0.173
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.426 41.388 72.019 90.00 104.13 90.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	5UN, DMS, GOL, ZN BindingDB	enzyme	Lyase E.C.4.2.1.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Conformational variability of different sulfonamide inhibitors with thienyl-acetamido moieties attributes to differential binding in the active site of cytosolic human carbonic anhydrase isoforms., Biswas S, Aggarwal M, Guzel O, Scozzafava A, McKenna R, Supuran CT, Bioorg Med Chem. 2011 Jun 15;19(12):3732-8. Epub 2011 May 10. PMID:21620713

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk] Biological Unit Coordinates (3r16.pdb1.gz) 50 Kb LPC: Ligand-Protein Contacts for 3R16 CSU: Contacts of Structural Units for 3R16 Structure Factors (370 Kb) Retrieve 3R16 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3R16 from S2C, [Save to disk] Re-refined 3r16 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3R16 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 3R16

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 3R16, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3r16_A] [3r16] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3R16: [Carb_anhydrase ] by SMART

Other resources with information on 3R16

Community annotation for 3R16 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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