1P1B	Transferase	date	Apr 12, 2003
title	Guanidinoacetate Methyltransferase
authors	J.Komoto, F.Takusagawa
compound		source
Molecule: Guanidinoacetate N-Methyltransferase Chain: A, B, C, D Ec: 2.1.1.2 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Gene: Gamt Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.214 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 54.150 162.370 55.700 90.00 96.40 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	SAH	enzyme	Transferase E.C.2.1.1.2 BRENDA
related structures	by homologous chain: 1KHH
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Monoclinic guanidinoacetate methyltransferase and gadolinium ion-binding characteristics., Komoto J, Takata Y, Yamada T, Konishi K, Ogawa H, Gomi T, Fujioka M, Takusagawa F, Acta Crystallogr D Biol Crystallogr 2003 Sep;59(Pt 9):1589-96. PMID:12925789

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (130 Kb) [Save to disk] Biological Unit Coordinates (1p1b.pdb1.gz) 63 Kb Biological Unit Coordinates (1p1b.pdb2.gz) 64 Kb LPC: Ligand-Protein Contacts for 1P1B CSU: Contacts of Structural Units for 1P1B Likely Quarternary Molecular Structure file(s) for 1P1B Retrieve 1P1B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1P1B from S2C, [Save to disk]

View 1P1B 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 1P1B

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1P1B, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1p1ba_, region A [Jmol] [rasmolscript] [script source]     - Domain d1p1bb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1p1bc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1p1bd_, region D [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: [1p1b_C] [1p1b_B] [1p1b] [1p1b_D] [1p1b_A] SWISS-PROT database: [P10868] Domain organization of [GAMT_RAT] by SWISSPFAM

Other resources with information on 1P1B

Community annotation for 1P1B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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