Structure of PDB 2ch4 Chain B

Receptor sequence
>2ch4B (length=305) Species: 2336 (Thermotoga maritima) [Search protein sequence]
SHMVPISFVFNRFPRMVRDLAKKMNKEVNFIMRGEDTELDRTFVEEIGEP
LLHLLRNAIDHGIEPKEERIAKGKPPIGTLILSARHEGNNVVIEVEDDGR
GIDKEKIIRKAIEKGLIDESKAATLSDQEILNFLFVPGFSMDVVKNVVES
LNGSISIESEKDKGTKVTIRLPLTLAIIQALLVKVNNLVYAIPIANIDTI
LSISKEDIQRVQDRDVIVIRGEVIPVYRLWEVLQIEHKEELEEMEAVIVR
VGNRKYGIVVDDLLGQDDIVIKSLGKVFSEVKEFSGAAILGDGSIALIIN
VSGIV
3D structure
PDB2ch4 Reconstruction of the Chemotaxis Receptor-Kinase Assembly
ChainB
Resolution3.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) N409
Catalytic site (residue number reindexed from 1) N57
Enzyme Commision number 2.7.13.3: histidine kinase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ANP B H405 N409 A410 H413 G414 I454 L486 M507 H53 N57 A58 H61 G62 I102 L134 M141
Gene Ontology
Molecular Function
GO:0016772 transferase activity, transferring phosphorus-containing groups
Biological Process
GO:0006935 chemotaxis
GO:0007165 signal transduction
GO:0016310 phosphorylation

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:2ch4, PDBe:2ch4, PDBj:2ch4
PDBsum2ch4
PubMed16622408
UniProtQ56310|CHEA_THEMA Chemotaxis protein CheA (Gene Name=cheA)

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