3OB1	Ligase Signaling Protein	date	Aug 06, 2010
title	Crystal Structure Of C-Cbl Tkb Domain In Complex With Double Phosphorylated Spry2 Peptide
authors	Q.Sun, J.Sivaraman
compound		source
Molecule: 12-Meric Peptide From Protein Sprouty Homolog 2 Chain: A Fragment: Residues 49-60 Synonym: Spry-2 Engineered: Yes Other_details: Double Phosphorylated Spry2 Peptide		Synthetic: Yes Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Synthetic Peptide
Molecule: E3 Ubiquitin-Protein Ligase Cbl Chain: B Fragment: C-Cbl Tkb Domain, Residues 25-351 Synonym: Signal Transduction Protein Cbl, Proto-Oncogene C- Casitas B-Lineage Lymphoma Proto-Oncogene, Ring Finger Prot Ec: 6.3.2.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-4t-1
symmetry	Space Group: P 6	R_factor 0.181 R_Free 0.223
crystal cell	length a length b length c angle alpha angle beta angle gamma 122.092 122.092 55.689 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	PTR, TPO	enzyme	Ligase E.C.6.3.2 BRENDA
Gene Ontology	Chain Function Process Component B
Primary reference	Additional serine/threonine phosphorylation reduces binding affinity but preserves interface topography of substrate proteins to the c-Cbl TKB domain., Sun Q, Jackson RA, Ng C, Guy GR, Sivaraman J, PLoS One. 2010 Sep 22;5(9):e12819. PMID:20877636

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (106 Kb) [Save to disk] Biological Unit Coordinates (3ob1.pdb1.gz) 100 Kb LPC: Ligand-Protein Contacts for 3OB1 CSU: Contacts of Structural Units for 3OB1 Structure Factors (363 Kb) Retrieve 3OB1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3OB1 from S2C, [Save to disk] Re-refined 3ob1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3OB1 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 3OB1

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 3OB1, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b3ob1, region B:10-111,B:232-499 [Jmol] [rasmolscript] [script source]     - Domain d1c3ob1, region B:2-152 [Jmol] [rasmolscript] [script source]     - Domain d1k3ob1, region B:81-209 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ob1_B] [3ob1_A] [3ob1] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3OB1

Community annotation for 3OB1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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