1KAL		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, 10 Models	resolution
note	1KAL is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	Elucidation of the primary and three-dimensional structure of the uterotonic polypeptide kalata B1., Saether O, Craik DJ, Campbell ID, Sletten K, Juul J, Norman DG, Biochemistry 1995 Apr 4;34(13):4147-58. PMID:7703226

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (1kal.pdb1.gz) 7 Kb CSU: Contacts of Structural Units for 1KAL Original NMR restraints for 1KAL from PDB Experimental data, such as chemical shifts, at BioMagResBank (BMRB) NMR Restraints Grid from BioMagResBank (BMRB) Retrieve 1KAL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KAL from S2C, [Save to disk]

View 1KAL 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: [1kal] [1kal_A] SWISS-PROT database: [P56254] Belongs to the cyclotide (cyclotide) family according to TCDB.

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