3HTM	Protein Binding, Ligase	date	Jun 11, 2009
title	Structures Of Spop-Substrate Complexes: Insights Into Molecular Architectures Of Btb-Cul3 Ubiquitin Ligases: Spopbtb3-Box
authors	M.Zhuang, H.Walden, B.A.Schulman
compound		source
Molecule: Speckle-Type Poz Protein Chain: A, B, C, D Fragment: Unp Residues 172-329 Synonym: Hib Homolog 1, Roadkill Homolog 1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Spop Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1	R_factor 0.217 R_Free 0.256
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.800 88.700 88.700 90.80 89.30 89.90
method	X-Ray Diffraction	resolution	2.50 Å
ligand	MSE	enzyme
note	3HTM is a representative structure
Primary reference	Structures of SPOP-substrate complexes: insights into molecular architectures of BTB-Cul3 ubiquitin ligases., Zhuang M, Calabrese MF, Liu J, Waddell MB, Nourse A, Hammel M, Miller DJ, Walden H, Duda DM, Seyedin SN, Hoggard T, Harper JW, White KP, Schulman BA, Mol Cell. 2009 Oct 9;36(1):39-50. PMID:19818708

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (109 Kb) [Save to disk] Biological Unit Coordinates (3htm.pdb1.gz) 53 Kb Biological Unit Coordinates (3htm.pdb2.gz) 53 Kb LPC: Ligand-Protein Contacts for 3HTM CSU: Contacts of Structural Units for 3HTM Structure Factors (282 Kb) Retrieve 3HTM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3HTM from S2C, [Save to disk] Re-refined 3htm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3HTM 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 3HTM

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 3HTM, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3htm_C] [3htm_B] [3htm] [3htm_A] [3htm_D] SWISS-PROT database: [O43791] Domain organization of [SPOP_HUMAN] by SWISSPFAM Domain found in 3HTM: [BTB ] by SMART

Other resources with information on 3HTM

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

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