Structure of PDB 1i5a Chain A

Receptor sequence
>1i5aA (length=181) Species: 2336 (Thermotoga maritima) [Search protein sequence]
GSHMVPISFVFNRFPRMVRDLAKKMNKEVNFIMRGEDTELDRTFVEEIGE
PLLHLLRNAIDHGIEPKEERIAKGKPPIGTLILSARHEGNNVVIEVEDDG
RGIDKEKIIRKAIEKGLIDESKAATLSDQEILNFLFVPGFSTKEGVGMDV
VKNVVESLNGSISIESEKDKGTKVTIRLPLT
3D structure
PDB1i5a Nucleotide binding by the histidine kinase CheA.
ChainA
Resolution1.9 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) N58
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 A H405 N409 H54 N58
BS02 ACP A H405 N409 H413 G414 G453 I454 V505 G506 M507 H54 N58 H62 G63 G102 I103 V146 G147 M148
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:1i5a, PDBe:1i5a, PDBj:1i5a
PDBsum1i5a
PubMed11276258
UniProtQ56310|CHEA_THEMA Chemotaxis protein CheA (Gene Name=cheA)

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