1K2I		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	SN1, SO4	enzyme
related structures	by homologous chain: 1AFQ, 2CGA
Gene Ontology	Chain Function Process Component 1
Primary reference	Crystal structure of gamma-chymotrypsin in complex with 7-hydroxycoumarin., Ghani U, Ng KK, Atta-ur-Rahman, Choudhary MI, Ullah N, James MN, J Mol Biol 2001 Nov 30;314(3):519-25. PMID:11846564

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk] Biological Unit Coordinates (1k2i.pdb1.gz) 38 Kb Biological Unit Coordinates (1k2i.pdb2.gz) 75 Kb LPC: Ligand-Protein Contacts for 1K2I CSU: Contacts of Structural Units for 1K2I Likely Quarternary Molecular Structure file(s) for 1K2I Structure Factors (141 Kb) Retrieve 1K2I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K2I from S2C, [Save to disk] Re-refined 1k2i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K2I 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: [1k2i] [1k2i_1] SWISS-PROT database: [P00766] Domain found in 1K2I: [Tryp_SPc ] by SMART

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