1AMU	Peptide Synthetase	date	Jun 18, 1997
title	Phenylalanine Activating Domain Of Gramicidin Synthetase 1 I Complex With Amp And Phenylalanine
authors	E.Conti, T.Stachelhaus, M.A.Marahiel, P.Brick
compound		source
Molecule: Gramicidin Synthetase 1 Chain: A, B Fragment: Adenylate Forming Domain, Residues 1 - 556 Plus A C-Terminal Tag - Shhhhhh; Synonym: Grsa Ec: 5.1.1.11 Engineered: Yes		Organism_scientific: Brevibacillus Brevis Organism_taxid: 1393 Collection: Atcc 999 Gene: Grsa Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: M15(Prep4) Expression_system_plasmid: Pqe60
symmetry	Space Group: P 1 21 1	R_factor 0.213 R_Free 0.246
crystal cell	length a length b length c angle alpha angle beta angle gamma 61.680 154.770 65.300 90.00 93.91 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	AMP, MG, PHE, SO4	enzyme	Isomerase E.C.5.1.1.11 BRENDA
Primary reference	Structural basis for the activation of phenylalanine in the non-ribosomal biosynthesis of gramicidin S., Conti E, Stachelhaus T, Marahiel MA, Brick P, EMBO J 1997 Jul 16;16(14):4174-83. PMID:9250661

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (176 Kb) [Save to disk] Biological Unit Coordinates (1amu.pdb1.gz) 87 Kb Biological Unit Coordinates (1amu.pdb2.gz) 87 Kb LPC: Ligand-Protein Contacts for 1AMU CSU: Contacts of Structural Units for 1AMU Likely Quarternary Molecular Structure file(s) for 1AMU Structure Factors (670 Kb) Retrieve 1AMU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AMU from S2C, [Save to disk] Re-refined 1amu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1AMU 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 1AMU

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 1AMU, from MSDmotif at EBI Genome occurence of 1AMU's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1amua_, region A [Jmol] [rasmolscript] [script source]     - Domain d1amub_, region B [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: [1amu_B] [1amu_A] [1amu] SWISS-PROT database: [P0C061] Domain organization of [GRSA_ANEMI] by SWISSPFAM

Other resources with information on 1AMU

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

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