1K32	Hydrolase	date	Oct 01, 2001
title	Crystal Structure Of The Tricorn Protease
authors	H.Brandstetter, J.S.Kim, M.Groll, R.Huber
compound		source
Molecule: Tricorn Protease Chain: A, B, C, D, E, F Ec: 3.4.21.- Engineered: Yes		Organism_scientific: Thermoplasma Acidophilum Organism_taxid: 2303 Gene: Ta1490 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Prset Expression_system_plasmid: Prset-Tric
symmetry	Space Group: P 1 21 1	R_factor 0.245 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 95.860 245.998 159.040 90.00 105.30 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand		enzyme	Hydrolase E.C.3.4.21 BRENDA
related structures	by homologous chain: 1N6E
Gene Ontology	Chain Function Process Component F, A, D, C, E, B
Primary reference	Crystal structure of the tricorn protease reveals a protein disassembly line., Brandstetter H, Kim JS, Groll M, Huber R, Nature 2001 Nov 22;414(6862):466-70. PMID:11719810

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1004 Kb) [Save to disk] Biological Unit Coordinates (1k32.pdb1.gz) 999 Kb CSU: Contacts of Structural Units for 1K32 Likely Quarternary Molecular Structure file(s) for 1K32 Structure Factors (3553 Kb) Retrieve 1K32 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K32 from S2C, [Save to disk] Re-refined 1k32 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K32 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 1K32

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1K32, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k32a3, region A:320-679 [Jmol] [rasmolscript] [script source]     - Domain d1k32a2, region A:39-319 [Jmol] [rasmolscript] [script source]     - Domain d1k32a4, region A:680-762,A:854-1061 [Jmol] [rasmolscript] [script source]     - Domain d1k32a1, region A:763-853 [Jmol] [rasmolscript] [script source]     - Domain d1k32b3, region B:320-679 [Jmol] [rasmolscript] [script source]     - Domain d1k32b2, region B:39-319 [Jmol] [rasmolscript] [script source]     - Domain d1k32b4, region B:680-762,B:854-1061 [Jmol] [rasmolscript] [script source]     - Domain d1k32b1, region B:763-853 [Jmol] [rasmolscript] [script source]     - Domain d1k32c3, region C:320-679 [Jmol] [rasmolscript] [script source]     - Domain d1k32c2, region C:39-319 [Jmol] [rasmolscript] [script source]     - Domain d1k32c4, region C:680-762,C:854-1061 [Jmol] [rasmolscript] [script source]     - Domain d1k32c1, region C:763-853 [Jmol] [rasmolscript] [script source]     - Domain d1k32d3, region D:320-679 [Jmol] [rasmolscript] [script source]     - Domain d1k32d2, region D:39-319 [Jmol] [rasmolscript] [script source]     - Domain d1k32d4, region D:680-762,D:854-1061 [Jmol] [rasmolscript] [script source]     - Domain d1k32d1, region D:763-853 [Jmol] [rasmolscript] [script source]     - Domain d1k32e3, region E:320-679 [Jmol] [rasmolscript] [script source]     - Domain d1k32e2, region E:39-319 [Jmol] [rasmolscript] [script source]     - Domain d1k32e4, region E:680-762,E:854-1061 [Jmol] [rasmolscript] [script source]     - Domain d1k32e1, region E:763-853 [Jmol] [rasmolscript] [script source]     - Domain d1k32f3, region F:320-679 [Jmol] [rasmolscript] [script source]     - Domain d1k32f2, region F:39-319 [Jmol] [rasmolscript] [script source]     - Domain d1k32f4, region F:680-762,F:854-1061 [Jmol] [rasmolscript] [script source]     - Domain d1k32f1, region F:763-853 [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: [1k32_E] [1k32_B] [1k32_D] [1k32] [1k32_C] [1k32_F] [1k32_A] SWISS-PROT database: [P96086] Domain organization of [TRI_THEAC] by SWISSPFAM Domain found in 1K32: [TSPc ] by SMART

Other resources with information on 1K32

Community annotation for 1K32 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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