1AM2	Intein	date	Jun 20, 1997
title	Gyra Intein From Mycobacterium Xenopi
authors	T.Klabunde, S.Sharma, J.C.Sacchettini
compound		source
Molecule: Mxe Gyra Intein Chain: A Engineered: Yes Mutation: Yes		Organism_scientific: Mycobacterium Xenopi Organism_taxid: 1789 Gene: Rtp Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_gene: Rtp
symmetry	Space Group: P 32 2 1	R_factor 0.187 R_Free 0.252
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.700 55.700 133.110 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.20 Å
note	1AM2 (Molecule of the Month:pdb131)
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of GyrA intein from Mycobacterium xenopi reveals structural basis of protein splicing., Klabunde T, Sharma S, Telenti A, Jacobs WR Jr, Sacchettini JC, Nat Struct Biol 1998 Jan;5(1):31-6. PMID:9437427

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (32 Kb) [Save to disk] Biological Unit Coordinates (1am2.pdb1.gz) 56 Kb CSU: Contacts of Structural Units for 1AM2 Likely Quarternary Molecular Structure file(s) for 1AM2 Structure Factors (105 Kb) Retrieve 1AM2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AM2 from S2C, [Save to disk] Re-refined 1am2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1AM2 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 1AM2

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 1AM2, from MSDmotif at EBI Genome occurence of 1AM2's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1am2__, region [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: [1am2_A] [1am2] SWISS-PROT database: [P72065] Domain organization of [GYRA_MYCXE] by SWISSPFAM Domains found in 1AM2: [HintC] [HintN ] by SMART

Other resources with information on 1AM2

Community annotation for 1AM2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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