Structure of PDB 1i5b Chain B

Receptor sequence
>1i5bB (length=179) Species: 2336 (Thermotoga maritima) [Search protein sequence]
SHMVPISFVFNRFPRMVRDLAKKMNKEVNFIMRGEDTELDRTFVEEIGEP
LLHLLRNAIDHGIEPKEERIAKGKPPIGTLILSARHEGNNVVIEVEDDGR
GIDKEKIIRKAIEKGLIDESKAATLSDQEILNFLFVPGFSTKGVGMDVVK
NVVESLNGSISIESEKDKGTKVTIRLPLT
3D structure
PDB1i5b Nucleotide binding by the histidine kinase CheA.
ChainB
Resolution1.94 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 MN B H405 N409 H413 H53 N57 H61
BS02 ANP B H405 N409 H413 G414 G453 I454 K458 S492 M507 H53 N57 H61 G62 G101 I102 K106 S140 M146
Gene Ontology
Molecular Function
GO:0016772 transferase activity, transferring phosphorus-containing groups
Biological Process
GO:0016310 phosphorylation

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Molecular Function
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Biological Process
External links
PDB RCSB:1i5b, PDBe:1i5b, PDBj:1i5b
PDBsum1i5b
PubMed11276258
UniProtQ56310|CHEA_THEMA Chemotaxis protein CheA (Gene Name=cheA)

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