3I5S	Protein Binding	date	Jul 06, 2009
title	Crystal Structure Of Pi3k Sh3
authors	R.Batra-Safferling, J.Granzin, S.Modder, S.Hoffmann, D.Willbold
compound		source
Molecule: Phosphatidylinositol 3-Kinase Regulatory Subunit Chain: A, B, C, D Fragment: Sh3 Domain (Unp Residues 1-83) Synonym: Pi3-Kinase P85 Subunit Alpha, Ptdins-3-Kinase P85- Pi3k; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Grb1, Pik3r1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex
symmetry	Space Group: P 1 21 1	R_factor 0.240 R_Free 0.299
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.333 61.049 61.014 90.00 111.38 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	SO4	enzyme
Primary reference	Structural studies of the phosphatidylinositol 3-kinase (PI3K) SH3 domain in complex with a peptide ligand: role of the anchor residue in ligand binding., Batra-Safferling R, Granzin J, Modder S, Hoffmann S, Willbold D, Biol Chem. 2010 Jan;391(1):33-42. PMID:19919182

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (3i5s.pdb1.gz) 12 Kb Biological Unit Coordinates (3i5s.pdb2.gz) 12 Kb Biological Unit Coordinates (3i5s.pdb3.gz) 12 Kb Biological Unit Coordinates (3i5s.pdb4.gz) 12 Kb LPC: Ligand-Protein Contacts for 3I5S CSU: Contacts of Structural Units for 3I5S Structure Factors (116 Kb) Retrieve 3I5S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3I5S from S2C, [Save to disk] Re-refined 3i5s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3I5S 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 3I5S

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3I5S, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3i5s] [3i5s_A] [3i5s_D] [3i5s_B] [3i5s_C] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3I5S: [SH3 ] by SMART

Other resources with information on 3I5S

Community annotation for 3I5S at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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