1I7M	Lyase	date	Mar 09, 2001
title	Human S-Adenosylmethionine Decarboxylase With Covalently Bou Pyruvoyl Group And Complexed With 4-Amidinoindan-1-One-2'- Amidinohydrazone
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, D 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, C 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: P 1 21 1	R_factor 0.242 R_Free 0.294
crystal cell	length a length b length c angle alpha angle beta angle gamma 73.899 55.672 96.086 90.00 110.39 90.00
method	X-Ray Diffraction	resolution	2.24 Å
ligand	CG, MSE, PUT, PYR	enzyme	Lyase E.C.4.1.1.50 BRENDA
related structures	by homologous chain: 1I79, 1JEN
Gene Ontology	Chain Function Process Component A, D, C, 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] (112 Kb) [Save to disk] Biological Unit Coordinates (1i7m.pdb1.gz) 104 Kb Biological Unit Coordinates (1i7m.pdb2.gz) 53 Kb Biological Unit Coordinates (1i7m.pdb3.gz) 54 Kb LPC: Ligand-Protein Contacts for 1I7M CSU: Contacts of Structural Units for 1I7M Likely Quarternary Molecular Structure file(s) for 1I7M Structure Factors (554 Kb) Retrieve 1I7M in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1I7M from S2C, [Save to disk] Re-refined 1i7m structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1I7M 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 1I7M

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 1I7M, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1i7m.1, region B:,A [Jmol] [rasmolscript] [script source]     - Domain d1i7m.2, region D:,C [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: [1i7m_D] [1i7m] [1i7m_B] [1i7m_C] [1i7m_A] SWISS-PROT database: [P17707] Domain organization of [DCAM_HUMAN] by SWISSPFAM

Other resources with information on 1I7M

Community annotation for 1I7M at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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Images from IMB Jena Image Library of Biological Macromolecules.

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