2OSH	Hydrolase	date	Feb 06, 2007
title	Crystal Structure Of Natratoxin, A Snake Spla2 That Blocks A Channel
authors	M.K.Teng, L.Sun
compound		source
Molecule: Phospholipase A2 1 Chain: A Synonym: Phosphatidylcholine 2-Acylhydrolase Ec: 3.1.1.4		Organism_scientific: Naja Atra Organism_common: Chinese Cobra Organism_taxid: 8656 Secretion: Venom
symmetry	Space Group: P 41	R_factor 0.190 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.078 42.078 64.117 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand		enzyme	Hydrolase E.C.3.1.1.4 BRENDA
Gene Ontology	Chain Function Process Component A toxin activity
Primary reference	Crystal structure of Natratoxin, a novel snake secreted phospholipaseA2 neurotoxin from Naja atra venom inhibiting A-type K+ currents., Hu P, Sun L, Zhu ZQ, Hou XW, Wang S, Yu SS, Wang HL, Zhang P, Wang M, Niu LW, Teng MK, Ruan DY, Proteins. 2008 Aug;72(2):673-83. PMID:18247353

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (24 Kb) [Save to disk] Biological Unit Coordinates (2osh.pdb1.gz) 20 Kb CSU: Contacts of Structural Units for 2OSH Likely Quarternary Molecular Structure file(s) for 2OSH Structure Factors (56 Kb) Retrieve 2OSH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2OSH from S2C, [Save to disk] Re-refined 2osh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2OSH 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 2OSH

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 2OSH, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2osh] [2osh_A] SWISS-PROT database: [A4FS04] Domain organization of [PA2N_NAJAT] by SWISSPFAM Domain found in 2OSH: [PA2c ] by SMART

Other resources with information on 2OSH

Community annotation for 2OSH at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---