2P1B	Chaperone	date	Mar 03, 2007
title	Crystal Structure Of Human Nucleophosmin-Core
authors	H.H.Lee, H.S.Kim, J.Y.Kang, B.I.Lee, J.Y.Ha, H.J.Yoon, S.O.Lim, G.J S.W.Suh
compound		source
Molecule: Nucleophosmin Chain: A, B, C, D, E, F, G, H, I, J Fragment: N-Terminal Core Synonym: Npm, Nucleolar Phosphoprotein B23, Numatrin, Nucle Protein No38; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-21a(+)
symmetry	Space Group: P 21 21 21	R_factor 0.213 R_Free 0.232
crystal cell	length a length b length c angle alpha angle beta angle gamma 99.262 107.841 108.694 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.75 Å
Primary reference	Crystal structure of human nucleophosmin-core reveals plasticity of the pentamer-pentamer interface., Lee HH, Kim HS, Kang JY, Lee BI, Ha JY, Yoon HJ, Lim SO, Jung G, Suh SW, Proteins. 2007 Nov 15;69(3):672-8. PMID:17879352

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (159 Kb) [Save to disk] Biological Unit Coordinates (2p1b.pdb1.gz) 153 Kb Biological Unit Coordinates (2p1b.pdb2.gz) 78 Kb Biological Unit Coordinates (2p1b.pdb3.gz) 78 Kb CSU: Contacts of Structural Units for 2P1B Likely Quarternary Molecular Structure file(s) for 2P1B Structure Factors (235 Kb) Retrieve 2P1B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2P1B from S2C, [Save to disk] Re-refined 2p1b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2P1B 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 2P1B

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 2P1B, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2p1b_I] [2p1b_E] [2p1b_F] [2p1b_H] [2p1b_B] [2p1b_J] [2p1b_D] [2p1b] [2p1b_A] [2p1b_G] [2p1b_C] SWISS-PROT database: [P06748] Domain organization of [NPM_HUMAN] by SWISSPFAM

Other resources with information on 2P1B

Community annotation for 2P1B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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