5SX8	Transferase Transferase Inhibitor	date	Aug 09, 2016
title	Crystal Structure Of Pi3kalpha In Complex With Fragments 12
authors	S.B.Gabelli, B.Vogelstein, M.S.Miller, L.M.Amzel
compound		source
Molecule: Phosphatidylinositol 4,5-Bisphosphate 3-Kinase Ca Subunit Alpha Isoform; Chain: A Synonym: Ptdins-3-Kinase Subunit Alpha,Phosphatidylinositol Bisphosphate 3-Kinase 110 Kda Catalytic Subunit Alpha,P110a Phosphoinositide-3-Kinase Catalytic Alpha Polypeptide, Serinethreonine Protein Kinase Pik3ca; Ec: 2.7.1.153,2.7.11.1 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_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbac Ht-A
Molecule: Phosphatidylinositol 3-Kinase Regulatory Subunit Chain: B Fragment: Residues 322-600 Synonym: Ptdins-3-Kinase Regulatory Subunit Alpha, Phosphatidylinositol 3-Kinase 85 Kda Regulatory Subunit Alp 3-Kinase Regulatory Subunit P85-Alpha; 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_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbac Ht-A
symmetry	Space Group: P 21 21 21	R_factor 0.207 R_Free 0.276
crystal cell	length a length b length c angle alpha angle beta angle gamma 113.890 116.330 148.127 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.47 Å
ligand	71M, LUZ, SEP	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	Identification of allosteric binding sites for PI3Kalpha oncogenic mutant specific inhibitor design., Miller MS, Maheshwari S, McRobb FM, Kinzler KW, Amzel LM, Vogelstein B, Gabelli SB, Bioorg Med Chem. 2017 Feb 15;25(4):1481-1486. doi: 10.1016/j.bmc.2017.01.012., Epub 2017 Jan 16. PMID:28129991

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (225 Kb) [Save to disk] Biological Unit Coordinates (5sx8.pdb1.gz) 219 Kb LPC: Ligand-Protein Contacts for 5SX8 CSU: Contacts of Structural Units for 5SX8 Structure Factors (474 Kb) Retrieve 5SX8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 5SX8 from S2C, [Save to disk] Re-refined 5sx8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [5sx8_B] [5sx8] [5sx8_A] SWISS-PROT database: Domain organization of by SWISSPFAM

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