2RD0	Transferase Oncoprotein	date	Sep 20, 2007
title	Structure Of A Human P110alphap85alpha Complex
authors	C.Huang, S.B.Gabelli, L.M.Amzel
compound		source
Molecule: Phosphatidylinositol-4,5-Bisphosphate 3-Kinase Ca Subunit Alpha Isoform; Chain: A Synonym: Pi3-Kinase P110 Subunit Alpha, Ptdins-3- Kinase P1 Ec: 2.7.1.153 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pik3ca Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbac Hta
Molecule: Phosphatidylinositol 3-Kinase Regulatory Subunit Chain: B Fragment: Unp Residues 322-600 Synonym: Pi3-Kinase P85 Subunit Alpha, Ptdins-3-Kinase P85- Pi3k; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pik3r1, Grb1 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbac 1
symmetry	Space Group: P 21 21 21	R_factor 0.263 R_Free 0.323
crystal cell	length a length b length c angle alpha angle beta angle gamma 115.058 117.050 151.584 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.05 Å
ligand		enzyme	Transferase E.C.2.7.1.153 BRENDA
Gene Ontology	Chain Function Process Component A protein serine/threonine kin... protein kinase activator act...
Primary reference	The structure of a human p110alpha/p85alpha complex elucidates the effects of oncogenic PI3Kalpha mutations., Huang CH, Mandelker D, Schmidt-Kittler O, Samuels Y, Velculescu VE, Kinzler KW, Vogelstein B, Gabelli SB, Amzel LM, Science. 2007 Dec 14;318(5857):1744-8. PMID:18079394

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (193 Kb) [Save to disk] Biological Unit Coordinates (2rd0.pdb1.gz) 185 Kb CSU: Contacts of Structural Units for 2RD0 Likely Quarternary Molecular Structure file(s) for 2RD0 Structure Factors (297 Kb) Retrieve 2RD0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2RD0 from S2C, [Save to disk] Re-refined 2rd0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2RD0 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 2RD0

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 2RD0, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2rd0_B] [2rd0] [2rd0_A] SWISS-PROT database: [P27986] [P42336] Domain organization of [P85A_HUMAN] [PK3CA_HUMAN] by SWISSPFAM Domains found in 2RD0: [C2] [PI3K_C2] [PI3K_p85B] [PI3K_rbd] [PI3Ka] [PI3Kc] [SH2 ] by SMART

Other resources with information on 2RD0

Community annotation for 2RD0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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