4B3G	Hydrolase Rna	date	Jul 24, 2012
title	Crystal Structure Of Ighmbp2 Helicase In Complex With Rna
authors	S.C.Lim, H.Song
compound		source
Molecule: Dna-Binding Protein Smubp-2 Chain: A, B Fragment: Residues 3-648 Synonym: Ighmbp2, Atp-Dependent Helicase Ighmbp2, Glial Fac Gf-1, Immunoglobulin Mu-Binding Protein 2; Ec: 3.6.4.12, 3.6.4.13 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_variant: Rosetta Expression_system_plasmid: Pgex6p-1
Molecule: Rna (5'-(Apapapapapapapapap)-3') Chain: G, H		Synthetic: Yes
symmetry	Space Group: P 31 2 1	R_factor 0.2064 R_Free 0.2922
crystal cell	length a length b length c angle alpha angle beta angle gamma 87.288 87.288 372.692 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.85 Å
ligand		enzyme	Hydrolase E.C.3.6.4.12 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	The Ighmbp2 helicase structure reveals the molecular basis for disease-causing mutations in DMSA1., Lim SC, Bowler MW, Lai TF, Song H, Nucleic Acids Res. 2012 Sep 10. PMID:22965130

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (209 Kb) [Save to disk] Biological Unit Coordinates (4b3g.pdb1.gz) 104 Kb Biological Unit Coordinates (4b3g.pdb2.gz) 103 Kb CSU: Contacts of Structural Units for 4B3G Structure Factors (1558 Kb) Retrieve 4B3G in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4B3G from S2C, [Save to disk] Re-refined 4b3g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4B3G 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 4B3G

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 4B3G, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4b3g_B] [4b3g_H] [4b3g_A] [4b3g] [4b3g_G] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 4B3G: [AAA] [DEXDc ] by SMART

Other resources with information on 4B3G

Community annotation for 4B3G at PDBWiki (http://pdbwiki.org)

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