1KKL	Transferase,Hydrolase Transport Protein	date	Dec 10, 2001
title	L.Casei Hprkp In Complex With B.Subtilis Hpr
authors	S.Fieulaine, S.Morera, S.Poncet, A.Galinier, J.Janin, J.Deutscher S.Nessler
compound		source
Molecule: Hprk Protein Chain: A, B, C Ec: 2.7.1.-, 3.1.3.- Engineered: Yes		Organism_scientific: Lactobacillus Casei Organism_taxid: 1582 Gene: Ptsk Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Nm522 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe30
Molecule: Phosphocarrier Protein Hpr Chain: H, I, J Synonym: Histidine-Containing Protein Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Subtilis Organism_taxid: 1423 Gene: Ptsh Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Nm522 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe30
symmetry	Space Group: P 32 1 2	R_factor 0.213 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 81.135 81.135 253.192 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	CA	enzyme	Transferase E.C.2.7.1 BRENDA
related structures	by homologous chain: 1JB1, 1KKM, 1RZR
Gene Ontology	Chain Function Process Component A, C, B H, J, I
Primary reference	X-ray structure of a bifunctional protein kinase in complex with its protein substrate HPr., Fieulaine S, Morera S, Poncet S, Mijakovic I, Galinier A, Janin J, Deutscher J, Nessler S, Proc Natl Acad Sci U S A 2002 Oct 15;99(21):13437-41. PMID:12359875

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (122 Kb) [Save to disk] Biological Unit Coordinates (1kkl.pdb1.gz) 231 Kb LPC: Ligand-Protein Contacts for 1KKL CSU: Contacts of Structural Units for 1KKL Likely Quarternary Molecular Structure file(s) for 1KKL Structure Factors (187 Kb) Retrieve 1KKL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KKL from S2C, [Save to disk] Re-refined 1kkl structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KKL 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 1KKL

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 1KKL, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kkla_, region A [Jmol] [rasmolscript] [script source]     - Domain d1kklb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1kklc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1kklh_, region H [Jmol] [rasmolscript] [script source]     - Domain d1kkli_, region I [Jmol] [rasmolscript] [script source]     - Domain d1kklj_, region J [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: [1kkl_B] [1kkl_A] [1kkl_H] [1kkl] [1kkl_C] [1kkl_I] [1kkl_J] SWISS-PROT database: [Q9RE09] [P08877] Domain organization of [HPRK_LACCA] [PTHP_BACSU] by SWISSPFAM

Other resources with information on 1KKL

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

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