3MCB	Chaperone	date	Mar 29, 2010
title	Crystal Structure Of Nac Domains Of Human Nascent Polypeptid Associated Complex (Nac)
authors	L.F.Wang, W.C.Zhang, L.Wang, X.J.C.Zhang, X.M.Li, Z.Rao
compound		source
Molecule: Nascent Polypeptide-Associated Complex Subunit Al Chain: A Fragment: Nac Domain (Unp Residues 79-132) Synonym: Nac-Alpha, Alpha-Nac Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Alpha Nac, Hsd48, Naca Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Strain Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Petduet-1
Molecule: Transcription Factor Btf3 Chain: B Fragment: Nac Domain (Unp Residues 97-154) Synonym: Rna Polymerase B Transcription Factor 3, Nac-Beta Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Beta Nac (Btf3b), Btf3, Nacb, Oksw-Cl.8 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plamid Expression_system_plasmid: Petduet-1
symmetry	Space Group: P 65 2 2	R_factor 0.188 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.794 59.794 156.763 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	IOD	enzyme
note	3MCB is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of NAC domains of human nascent polypeptide-associated complex (NAC) and its alphaNAC subunit., Wang L, Zhang W, Wang L, Zhang XC, Li X, Rao Z, Protein Cell. 2010 Apr;1(4):406-16. Epub 2010 May 8. PMID:21203952

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk] Biological Unit Coordinates (3mcb.pdb1.gz) 38 Kb LPC: Ligand-Protein Contacts for 3MCB CSU: Contacts of Structural Units for 3MCB Structure Factors (403 Kb) Retrieve 3MCB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3MCB from S2C, [Save to disk] Re-refined 3mcb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3MCB in 3D

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Visual 3D analysis of 3MCB

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 3MCB, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3mcb] [3mcb_A] [3mcb_B] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3MCB: [NAC ] by SMART

Other resources with information on 3MCB

Community annotation for 3MCB at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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