1IF9	Lyase	date	Apr 12, 2001
title	Carbonic Anhydrase II Complexed With N-[2-(1h-Indol-5-Yl)-Bu Sulfamoyl-Benzamide
authors	B.A.Grzybowski, A.V.Ishchenko, C.Y.Kim, G.Topalov, R.Chapman, D.W.Christianson, G.M.Whitesides, E.I.Shakhnovich
compound		source
Molecule: Carbonic Anhydrase II Chain: A Synonym: Carbonate Dehydratase II Ec: 4.2.1.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.156 R_Free 0.216
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.300 40.800 72.400 90.00 104.60 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	HG, SBB, ZN	enzyme	Lyase E.C.4.2.1.1 BRENDA
related structures	by homologous chain: 1H4N, 1I90
Gene Ontology	Chain Function Process Component A
Primary reference	Combinatorial computational method gives new picomolar ligands for a known enzyme., Grzybowski BA, Ishchenko AV, Kim CY, Topalov G, Chapman R, Christianson DW, Whitesides GM, Shakhnovich EI, Proc Natl Acad Sci U S A 2002 Feb 5;99(3):1270-3. PMID:11818565

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (1if9.pdb1.gz) 46 Kb LPC: Ligand-Protein Contacts for 1IF9 CSU: Contacts of Structural Units for 1IF9 Likely Quarternary Molecular Structure file(s) for 1IF9 Retrieve 1IF9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IF9 from S2C, [Save to disk]

View 1IF9 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 1IF9

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1IF9, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1if9a_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1if9_A] [1if9] SWISS-PROT database: [P00918] Domain organization of [CAH2_HUMAN] by SWISSPFAM Domain found in 1IF9: [Carb_anhydrase ] by SMART

Other resources with information on 1IF9

Community annotation for 1IF9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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