1K4T		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	HG, PG4, PTR, TGP, TTC, TTG BindingDB	enzyme
note	1K4T (Molecule of the Month:pdb160)
related structures	by homologous chain: 1A31
Gene Ontology	Chain Function Process Component A
Primary reference	The mechanism of topoisomerase I poisoning by a camptothecin analog., Staker BL, Hjerrild K, Feese MD, Behnke CA, Burgin AB Jr, Stewart L, Proc Natl Acad Sci U S A 2002 Nov 26;99(24):15387-92. Epub 2002 Nov 8. PMID:12426403

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (123 Kb) [Save to disk] Biological Unit Coordinates (1k4t.pdb1.gz) 118 Kb LPC: Ligand-Protein Contacts for 1K4T CSU: Contacts of Structural Units for 1K4T Likely Quarternary Molecular Structure file(s) for 1K4T Structure Factors (711 Kb) Retrieve 1K4T in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K4T from S2C, [Save to disk] Re-refined 1k4t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K4T 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: [1k4t_A] [1k4t] [1k4t_B] [1k4t_C] [1k4t_D] SWISS-PROT database: [P11387] Domain found in 1K4T: [TOPEUc ] by SMART

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