1TK2	Hydrolase Antibiotic	date	Jun 08, 2004
title	Crystal Structure Of The Complex Formed Between Alkaline Pro Savinase And Gramicidin S At 1.5a Resolution
authors	V.S.Bhatt, P.Kaur, S.Klupsch, C.Betzel, S.Brenner, T.P.Singh
compound		source
Molecule: Subtilisin Savinase Chain: A Synonym: Alkaline Protease Ec: 3.4.21.62		Organism_scientific: Bacillus Lentus Organism_taxid: 1467
Molecule: Gramicidin S Chain: B Synonym: Gramicidin Soviet Engineered: Yes		Synthetic: Yes Organism_scientific: Brevibacillus Brevis Organism_taxid: 1393
symmetry	Space Group: P 21 21 21	R_factor 0.169 R_Free 0.189
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.250 73.340 40.890 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.54 Å
ligand	CA, DPN, ORN	enzyme	Hydrolase E.C.3.4.21.62 BRENDA
related structures	by homologous chain: 1Q5P, 1WSD
Gene Ontology	Chain Function Process Component A

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (1tk2.pdb1.gz) 43 Kb LPC: Ligand-Protein Contacts for 1TK2 CSU: Contacts of Structural Units for 1TK2 Likely Quarternary Molecular Structure file(s) for 1TK2 Retrieve 1TK2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TK2 from S2C, [Save to disk]

View 1TK2 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 1TK2

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1TK2, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1tk2a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1tk2y_, region Y [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: [1tk2_B] [1tk2_A] [1tk2] [1tk2_Y] SWISS-PROT database: [P29600] Domain organization of [SUBS_BACLE] by SWISSPFAM

Other resources with information on 1TK2

Community annotation for 1TK2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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