1TTM	Lyase	date	Jun 23, 2004
title	Human Carbonic Anhydrase II Complexed With 667-Coumate
authors	M.D.Lloyd, R.L.Pederick, R.Natesh, L.W.L.Woo, A.Purohit, 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 Other_details: T7 Promoter, Ampicillin Resistant
symmetry	Space Group: P 21 21 21	R_factor 0.180 R_Free 0.210
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.525 72.522 75.379 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	667, ZN BindingDB	enzyme	Lyase E.C.4.2.1.1 BRENDA
related structures	by homologous chain: 1V9E, 1YDC
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of human carbonic anhydrase II at 1.95 A resolution in complex with 667-coumate, a novel anti-cancer agent., Lloyd MD, Pederick RL, Natesh R, Woo LW, Purohit A, Reed MJ, Acharya KR, Potter BV, Biochem J 2004 Sep 28;Pt. PMID:15453828

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (1ttm.pdb1.gz) 45 Kb LPC: Ligand-Protein Contacts for 1TTM CSU: Contacts of Structural Units for 1TTM Likely Quarternary Molecular Structure file(s) for 1TTM Structure Factors (178 Kb) Retrieve 1TTM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TTM from S2C, [Save to disk] Re-refined 1ttm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1TTM 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 1TTM

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 1TTM, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ttma_, 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: [1ttm_A] [1ttm] SWISS-PROT database: [P00918] Domain organization of [CAH2_HUMAN] by SWISSPFAM Domain found in 1TTM: [Carb_anhydrase ] by SMART

Other resources with information on 1TTM

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

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