1BIG		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, 25 Models	resolution
ligand	PCA	enzyme
related structures	by homologous chain: 1LGL, 1MTX, 2CRD
Gene Ontology	Chain Function Process Component A toxin activity
Primary reference	Solution structure of two new toxins from the venom of the Chinese scorpion Buthus martensi Karsch blockers of potassium channels., Blanc E, Romi-Lebrun R, Bornet O, Nakajima T, Darbon H, Biochemistry 1998 Sep 8;37(36):12412-8. PMID:9730813

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (230 Kb) [Save to disk] Biological Unit Coordinates (1big.pdb1.gz) 10 Kb LPC: Ligand-Protein Contacts for 1BIG CSU: Contacts of Structural Units for 1BIG Retrieve 1BIG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BIG from S2C, [Save to disk]

View 1BIG 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: [1big] [1big_A] SWISS-PROT database: [Q9NII6]

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