2P9R	Signaling Protein	date	Mar 26, 2007
title	Human Alpha2-Macroglogulin Is Composed Of Multiple Domains, As Predicted By Homology With Complement Component C3
authors	N.Doan
compound		source
Molecule: Alpha-2-Macroglobulin Chain: A, B Synonym: Alpha-2-M Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: A2m Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Sg13009 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe30
symmetry	Space Group: P 43 21 2	R_factor 0.244 R_Free 0.281
crystal cell	length a length b length c angle alpha angle beta angle gamma 68.810 68.810 120.070 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
note	2P9R is a representative structure
Gene Ontology	Chain Function Process Component A, B
Primary reference	Human alpha 2-macroglobulin is composed of multiple domains, as predicted by homology with complement component C3., Doan N, Gettins PG, Biochem J. 2007 Jul 4;. PMID:17608619

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk] Biological Unit Coordinates (2p9r.pdb1.gz) 18 Kb Biological Unit Coordinates (2p9r.pdb2.gz) 17 Kb CSU: Contacts of Structural Units for 2P9R Likely Quarternary Molecular Structure file(s) for 2P9R Structure Factors (96 Kb) Retrieve 2P9R in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2P9R from S2C, [Save to disk] Re-refined 2p9r structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2P9R 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 2P9R

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 2P9R, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2p9r_A] [2p9r] [2p9r_B] SWISS-PROT database: [P01023] Domain organization of [A2MG_HUMAN] by SWISSPFAM

Other resources with information on 2P9R

Community annotation for 2P9R at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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