3SQO	Hydrolase Immune System	date	Jul 05, 2011
title	Pcsk9 J16 Fab Complex
authors	P.Strop
compound		source
Molecule: Proprotein Convertase Subtilisinkexin Type 9 Chain: A Synonym: Neural Apoptosis-Regulated Convertase 1, Narc-1, P Convertase 9, Pc9, Subtilisinkexin-Like Protease Pc9; Ec: 3.4.21.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pcsk9, Narc1, Psec0052 Expression_system: Homo Sapiens Expression_system_taxid: 9606 Expression_system_cell_line: Hek293
Molecule: J16 Heavy Chain Chain: H Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_taxid: 9606 Expression_system_cell_line: Hek293
Molecule: J16 Light Chain Chain: L Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_taxid: 9606 Expression_system_cell_line: Hek293
Molecule: Pcsk9 Prodomain Chain: P Synonym: Neural Apoptosis-Regulated Convertase 1, Narc-1, P Convertase 9, Pc9, Subtilisinkexin-Like Protease Pc9; Ec: 3.4.21.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pcsk9, Narc1, Psec0052 Expression_system: Homo Sapiens Expression_system_taxid: 9606 Expression_system_cell_line: Hek293
symmetry	Space Group: P 1 21 1	R_factor 0.223 R_Free 0.283
crystal cell	length a length b length c angle alpha angle beta angle gamma 81.921 70.981 109.156 90.00 95.90 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand		enzyme	Hydrolase E.C.3.4.21 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Proprotein convertase substilisin/kexin type 9 antagonism reduces low-density lipoprotein cholesterol in statin-treated hypercholesterolemic nonhuman primates., Liang H, Chaparro-Riggers J, Strop P, Geng T, Sutton JE, Tsai D, Bai L, Abdiche Y, Dilley J, Yu J, Wu S, Chin SM, Lee NA, Rossi A, Lin JC, Rajpal A, Pons J, Shelton DL, J Pharmacol Exp Ther. 2012 Feb;340(2):228-36. Epub 2011 Oct 21. PMID:22019884

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (330 Kb) [Save to disk] Biological Unit Coordinates (3sqo.pdb1.gz) 323 Kb CSU: Contacts of Structural Units for 3SQO Structure Factors (506 Kb) Retrieve 3SQO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3SQO from S2C, [Save to disk] Re-refined 3sqo structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3SQO 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 3SQO

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 3SQO, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3sqo_P] [3sqo_H] [3sqo] [3sqo_A] [3sqo_L] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3SQO: [IG_like] [IGv ] by SMART

Other resources with information on 3SQO

Community annotation for 3SQO at PDBWiki (http://pdbwiki.org)

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