1I7B	Lyase	date	Mar 08, 2001
title	Human S-Adenosylmethionine Decarboxylase With Covalently Bou Pyruvoyl Group And Covalently Bound S-Adenosylmethionine Me
authors	W.D.Tolbert, J.L.Ekstrom, I.I.Mathews, J.A.Secrist Iii, A.E.Pegg S.E.Ealick
compound		source
Molecule: S-Adenosylmethionine Decarboxylase Beta Chain Chain: B Ec: 4.1.1.50 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: S-Adenosylmethionine Decarboxylase Alpha Chain Chain: A Ec: 4.1.1.50 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.204 R_Free 0.241
crystal cell	length a length b length c angle alpha angle beta angle gamma 99.964 51.242 68.509 90.00 105.37 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	PUT, PYR, SMM	enzyme	Lyase E.C.4.1.1.50 BRENDA
related structures	by homologous chain: 1I72, 1MSV
Gene Ontology	Chain Function Process Component A, B
Primary reference	The structural basis for substrate specificity and inhibition of human S-adenosylmethionine decarboxylase., Tolbert WD, Ekstrom JL, Mathews II, Secrist JA 3rd, Kapoor P, Pegg AE, Ealick SE, Biochemistry 2001 Aug 14;40(32):9484-94. PMID:11583147

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (60 Kb) [Save to disk] Biological Unit Coordinates (1i7b.pdb1.gz) 109 Kb LPC: Ligand-Protein Contacts for 1I7B CSU: Contacts of Structural Units for 1I7B Likely Quarternary Molecular Structure file(s) for 1I7B Structure Factors (342 Kb) Retrieve 1I7B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1I7B from S2C, [Save to disk] Re-refined 1i7b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1I7B 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 1I7B

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 1I7B, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1i7b.1, region B:,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: [1i7b_A] [1i7b] [1i7b_B] SWISS-PROT database: [P17707] Domain organization of [DCAM_HUMAN] by SWISSPFAM

Other resources with information on 1I7B

Community annotation for 1I7B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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