3O2Q	Hydrolase	date	Jul 22, 2010
title	Crystal Structure Of The Human Symplekin-Ssu72-Ctd Phosphope Complex
authors	L.Tong, K.Xiang
compound		source
Molecule: Symplekin Chain: A, D Fragment: N-Terminal Domain Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Sympk, Spk Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Rna Polymerase II Subunit A C-Terminal Domain Pho Ssu72; Chain: B, E Synonym: Ctd Phosphatase Ssu72 Ec: 3.1.3.16 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ssu72, Hspc182, Pnas-120 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Rna Polymerase II Ctd Serine-5 Phosphopeptide Chain: F Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 1 21 1	R_factor 0.184 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.045 97.581 105.008 90.00 98.66 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	PO4, SEP	enzyme	Hydrolase E.C.3.1.3.16 BRENDA
note	3O2Q is a representative structure
Gene Ontology	Chain Function Process Component E, B
Primary reference	Crystal structure of the human symplekin-Ssu72-CTD phosphopeptide complex., Xiang K, Nagaike T, Xiang S, Kilic T, Beh MM, Manley JL, Tong L, Nature. 2010 Sep 22. PMID:20861839

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (344 Kb) [Save to disk] Biological Unit Coordinates (3o2q.pdb1.gz) 169 Kb Biological Unit Coordinates (3o2q.pdb2.gz) 171 Kb LPC: Ligand-Protein Contacts for 3O2Q CSU: Contacts of Structural Units for 3O2Q Structure Factors (1201 Kb) Retrieve 3O2Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3O2Q from S2C, [Save to disk] Re-refined 3o2q structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3O2Q 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 3O2Q

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 3O2Q, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3o2q_E] [3o2q_B] [3o2q] [3o2q_D] [3o2q_A] [3o2q_F] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3O2Q

Community annotation for 3O2Q at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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