1T6M	Lyase	date	May 06, 2004
title	X-Ray Structure Of The R70d Pi-Plc Enzyme: Insight Into The Calcium And Surrounding Amino Acids On Active Site Geometry Catalysis.
authors	D.Apiyo, L.Zhao, M.D.Tsai, T.L.Selby
compound		source
Molecule: 1-Phosphatidylinositol Phosphodiesterase Chain: A, B Synonym: Phosphatidylinositol Diacylglycerol-Lyase, Phosphatidylinositol- Specific Phospholipase C, Pi-Plc; Ec: 4.6.1.13 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Thuringiensis Organism_taxid: 1428 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 2 2 21	R_factor 0.223 R_Free 0.240
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.221 147.725 96.562 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.11 Å
ligand	CA	enzyme	Lyase E.C.4.6.1.13 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	X-ray Structure of the R69D Phosphatidylinositol-Specific Phospholipase C Enzyme: Insight into the Role of Calcium and Surrounding Amino Acids in Active Site Geometry and Catalysis., Apiyo D, Zhao L, Tsai MD, Selby TL, Biochemistry 2005 Aug 2;44(30):9980-9. PMID:16042375

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (106 Kb) [Save to disk] Biological Unit Coordinates (1t6m.pdb1.gz) 100 Kb LPC: Ligand-Protein Contacts for 1T6M CSU: Contacts of Structural Units for 1T6M Likely Quarternary Molecular Structure file(s) for 1T6M Structure Factors (476 Kb) Retrieve 1T6M in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1T6M from S2C, [Save to disk] Re-refined 1t6m structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1T6M 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 1T6M

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 1T6M, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1t6m] [1t6m_B] [1t6m_A] SWISS-PROT database: [P08954] Domain organization of [PLC_BACTU] by SWISSPFAM Domain found in 1T6M: [PLCXc ] by SMART

Other resources with information on 1T6M

Community annotation for 1T6M at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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