1P7L	Transferase	date	May 02, 2003
title	S-Adenosylmethionine Synthetase Complexed With Amppnp And Me
authors	F.Takusagawa, J.Komoto
compound		source
Molecule: S-Adenosylmethionine Synthetase Chain: A, B, C, D Synonym: Methionine Adenosyltransferase, Adomet Synthetase, Ec: 2.5.1.6 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Metk Or Metx Or B2942 Or C3528 Or Z4287 Or Ecs3818 Or Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.213 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 225.820 69.130 118.230 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	ANP, K, MET, MG, PPK, SAM	enzyme	Transferase E.C.2.5.1.6 BRENDA
related structures	by homologous chain: 1MXA, 1RG9
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal structure of the S-adenosylmethionine synthetase ternary complex: a novel catalytic mechanism of S-adenosylmethionine synthesis from ATP and Met., Komoto J, Yamada T, Takata Y, Markham GD, Takusagawa F, Biochemistry 2004 Feb 24;43(7):1821-31. PMID:14967023

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (241 Kb) [Save to disk] Biological Unit Coordinates (1p7l.pdb1.gz) 235 Kb LPC: Ligand-Protein Contacts for 1P7L CSU: Contacts of Structural Units for 1P7L Likely Quarternary Molecular Structure file(s) for 1P7L Retrieve 1P7L in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1P7L from S2C, [Save to disk]

View 1P7L 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 1P7L

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1P7L, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1p7la1, region A:1-102 [Jmol] [rasmolscript] [script source]     - Domain d1p7la2, region A:103-231 [Jmol] [rasmolscript] [script source]     - Domain d1p7la3, region A:232-383 [Jmol] [rasmolscript] [script source]     - Domain d1p7lb1, region B:1-102 [Jmol] [rasmolscript] [script source]     - Domain d1p7lb2, region B:103-231 [Jmol] [rasmolscript] [script source]     - Domain d1p7lb3, region B:232-383 [Jmol] [rasmolscript] [script source]     - Domain d1p7lc1, region C:1-102 [Jmol] [rasmolscript] [script source]     - Domain d1p7lc2, region C:103-231 [Jmol] [rasmolscript] [script source]     - Domain d1p7lc3, region C:232-383 [Jmol] [rasmolscript] [script source]     - Domain d1p7ld1, region D:1-102 [Jmol] [rasmolscript] [script source]     - Domain d1p7ld2, region D:103-231 [Jmol] [rasmolscript] [script source]     - Domain d1p7ld3, region D:232-383 [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: [1p7l_C] [1p7l_D] [1p7l_B] [1p7l_A] [1p7l] SWISS-PROT database: [P0A817] Domain organization of [METK_ECOLI] by SWISSPFAM

Other resources with information on 1P7L

Community annotation for 1P7L at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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