1B22	Dna Binding Protein	date	Dec 04, 1998
title	Rad51 (N-Terminal Domain)
authors	H.Aihara, Y.Ito, H.Kurumizaka, S.Yokoyama, T.Shibata, Riken Struc Genomicsproteomics Initiative (Rsgi)
compound		source
Molecule: Dna Repair Protein Rad51 Chain: A Fragment: N-Terminal Domain Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm109(De3) Expression_system_plasmid: Pet3a Expression_system_gene: Rad51(1-114)
method	Solution NMR
note	1B22 is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	The N-terminal domain of the human Rad51 protein binds DNA: structure and a DNA binding surface as revealed by NMR., Aihara H, Ito Y, Kurumizaka H, Yokoyama S, Shibata T, J Mol Biol 1999 Jul 9;290(2):495-504. PMID:10390347

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (515 Kb) [Save to disk] Biological Unit Coordinates (1b22.pdb1.gz) 18 Kb CSU: Contacts of Structural Units for 1B22 Original NMR restraints for 1B22 from PDB Experimental data, such as chemical shifts, at BioMagResBank (BMRB) NMR Restraints Grid from BioMagResBank (BMRB) Retrieve 1B22 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B22 from S2C, [Save to disk]

View 1B22 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 1B22

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1B22, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b22a_, region A [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: [1b22_A] [1b22] SWISS-PROT database: [Q06609] Domain organization of [RAD51_HUMAN] by SWISSPFAM Domain found in 1B22: [HhH1 ] by SMART

Other resources with information on 1B22

Community annotation for 1B22 at PDBWiki (http://pdbwiki.org) NMR Ensemble (OLDERADO: core, domain and representative structure database) MMDB (Entrez's Structure Database)

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