3COG	Lyase	date	Mar 28, 2008
title	Crystal Structure Of Human Cystathionase (Cystathionine Gamm In Complex With Dl-Propargylglycine
authors	R.Collins, T.Karlberg, L.Lehtio, C.H.Arrowsmith, H.Berglund, L.G. A.M.Edwards, S.Flodin, A.Flores, S.Graslund, M.Hammarstrom, I.Jo A.Kallas, T.Kotenyova, M.Moche, M.E.Nilsson, P.Nordlund, T.Nyman K.Olesen, C.Persson, H.Schuler, L.Svensson, A.G.Thorsell, L.Tres S.Van Den Berg, J.Sagermark, R.D.Busam, M.Welin, J.Weigelt, M.Wi Structural Genomics Consortium (Sgc)
compound		source
Molecule: Cystathionine Gamma-Lyase Chain: A, B, C, D Synonym: Gamma-Cystathionase Ec: 4.4.1.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Gene: Cth Expression_system: Escherichia Coli Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pnic-Bsa4
symmetry	Space Group: P 21 21 21	R_factor 0.158 R_Free 0.204
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.350 107.220 153.310 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	2AG, GOL, NO3, PEG, PLP	enzyme	Lyase E.C.4.4.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Structural basis for the inhibition mechanism of human cystathionine gamma-lyase, an enzyme responsible for the production of H(2)S., Sun Q, Collins R, Huang S, Holmberg-Schiavone L, Anand GS, Tan CH, van-den-Berg S, Deng LW, Moore PK, Karlberg T, Sivaraman J, J Biol Chem. 2009 Jan 30;284(5):3076-85. Epub 2008 Nov 19. PMID:19019829

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (264 Kb) [Save to disk] Biological Unit Coordinates (3cog.pdb1.gz) 258 Kb LPC: Ligand-Protein Contacts for 3COG CSU: Contacts of Structural Units for 3COG Likely Quarternary Molecular Structure file(s) for 3COG Structure Factors (901 Kb) Retrieve 3COG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3COG from S2C, [Save to disk] Re-refined 3cog structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3COG 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 3COG

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 3COG, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3cog_A] [3cog_D] [3cog_C] [3cog_B] [3cog] SWISS-PROT database: [P32929] Domain organization of [CGL_HUMAN] by SWISSPFAM

Other resources with information on 3COG

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

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