1J3E	Replication Dna	date	Jan 24, 2003
title	Crystal Structure Of The E.Coli Seqa Protein Complexed With Methyladenine- Guanine Mismatch Dna
authors	N.Fujikawa, H.Kurumizaka, O.Nureki, Y.Tanaka, M.Yamazoe, S.Hiraga S.Yokoyama, Riken Structural Genomicsproteomics Initiative
compound		source
Molecule: 5'-D(Apapgpgp(6ma)Ptpcpcpapa)-3' Chain: B Engineered: Yes		Synthetic: Yes
Molecule: 5'-D(Tptpgpgpapgpcpcptpt)-3' Chain: C Engineered: Yes		Synthetic: Yes
Molecule: Seqa Protein Chain: A Fragment: Dna Binding Domain Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Seqa Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Dh5a Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex6p-1
symmetry	Space Group: P 21 21 21	R_factor 0.230 R_Free 0.296
crystal cell	length a length b length c angle alpha angle beta angle gamma 33.432 65.061 77.176 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	6MA	enzyme
related structures	by homologous chain: 1LRR
Gene Ontology	Chain Function Process Component A
Primary reference	Structural and biochemical analyses of hemimethylated DNA binding by the SeqA protein., Fujikawa N, Kurumizaka H, Nureki O, Tanaka Y, Yamazoe M, Hiraga S, Yokoyama S, Nucleic Acids Res 2004 Jan 2;32(1):82-92 Print 2004. PMID:14704346

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (32 Kb) [Save to disk] Biological Unit Coordinates (1j3e.pdb1.gz) 28 Kb LPC: Ligand-Protein Contacts for 1J3E CSU: Contacts of Structural Units for 1J3E Likely Quarternary Molecular Structure file(s) for 1J3E Structure Factors (70 Kb) Retrieve 1J3E in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1J3E from S2C, [Save to disk] Re-refined 1j3e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1J3E 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 1J3E

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 1J3E, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1j3ea_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1j3e] [1j3e_B] [1j3e_A] [1j3e_C] SWISS-PROT database: [P0AFY8] Domain organization of [SEQA_ECOLI] by SWISSPFAM

Other resources with information on 1J3E

Community annotation for 1J3E at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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