1PEN		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
ligand	NH2	enzyme
Gene Ontology	Chain Function Process Component A toxin activity
Primary reference	The 1.1 A crystal structure of the neuronal acetylcholine receptor antagonist, alpha-conotoxin PnIA from Conus pennaceus., Hu SH, Gehrmann J, Guddat LW, Alewood PF, Craik DJ, Martin JL, Structure 1996 Apr 15;4(4):417-23. PMID:8740364

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (6 Kb) [Save to disk] Biological Unit Coordinates (1pen.pdb1.gz) 3 Kb LPC: Ligand-Protein Contacts for 1PEN CSU: Contacts of Structural Units for 1PEN Likely Quarternary Molecular Structure file(s) for 1PEN Retrieve 1PEN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PEN from S2C, [Save to disk]

View 1PEN 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.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1pen] [1pen_A] SWISS-PROT database: [P50984]

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