1K1T	Hydrolase Hydrolase Inhibitor	date	Sep 25, 2001
title	Combining Mutations In Hiv-1 Protease To Understand Mechanis Resistance
authors	B.Mahalingam, P.Boross, Y.F.Wang, J.M.Louis, C.Fischer, J.Tozser R.W.Harrison, I.T.Weber
compound		source
Molecule: Protease Retropepsin Chain: A, B Ec: 3.4.23.16 Engineered: Yes Mutation: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 51.256 58.130 61.563 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.20 Å
ligand	0Q4, SO4	enzyme	Hydrolase E.C.3.4.23.16 BRENDA
related structures	by homologous chain: 1SDU, 1T3R
Gene Ontology	Chain Function Process Component A, B
Primary reference	Combining mutations in HIV-1 protease to understand mechanisms of resistance., Mahalingam B, Boross P, Wang YF, Louis JM, Fischer CC, Tozser J, Harrison RW, Weber IT, Proteins 2002 Jul 1;48(1):107-16. PMID:12012342

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk] Biological Unit Coordinates (1k1t.pdb1.gz) 38 Kb LPC: Ligand-Protein Contacts for 1K1T CSU: Contacts of Structural Units for 1K1T Likely Quarternary Molecular Structure file(s) for 1K1T Retrieve 1K1T in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K1T from S2C, [Save to disk]

View 1K1T 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.

Visual 3D analysis of 1K1T

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1K1T 1K1TA 1K1TB 1K1TC from the CEP Server. Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1K1T, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k1ta_, region A [Jmol] [rasmolscript] [script source]     - Domain d1k1tb_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1k1t_C] [1k1t_B] [1k1t] [1k1t_A] SWISS-PROT database: [P04587] Domain organization of [POL_HV1B5] by SWISSPFAM

Other resources with information on 1K1T

Community annotation for 1K1T at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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