Structure of PDB 1ckk Chain A

Receptor sequence

>1ckkA (length=148) Species: 8355 (Xenopus laevis) [Search protein sequence]

ADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQD
MINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYI
SAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK

3D structure

PDB

1ckk A novel target recognition revealed by calmodulin in complex with Ca2+-calmodulin-dependent kinase kinase.

Chain

Resolution

N/A

3D
structure

Catalytic site residues are labeled in the structure
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Enzymatic activity

Catalytic site (original residue number in PDB)	V35
Catalytic site (residue number reindexed from 1)	V35
Enzyme Commision number	?

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)
BS01	peptide	A	E11 A15 F19 L32 M36 M51 I52 V55 I63 M71 M72 K75 M76 E84 E87 A88 V91 F92 L105 M109 L112 L116 E120 E123 M124 F141 M145	E11 A15 F19 L32 M36 M51 I52 V55 I63 M71 M72 K75 M76 E84 E87 A88 V91 F92 L105 M109 L112 L116 E120 E123 M124 F141 M145
BS02	CA	A	D20 D22 D24 T26 E31	D20 D22 D24 T26 E31
BS03	CA	A	D56 D58 N60 T62 D64 E67	D56 D58 N60 T62 D64 E67
BS04	CA	A	D93 D95 N97 Y99 E104	D93 D95 N97 Y99 E104
BS05	CA	A	D129 D131 D133 Q135 E140	D129 D131 D133 Q135 E140

Gene Ontology

	Molecular Function
GO:0005102	signaling receptor binding
GO:0005509	calcium ion binding
GO:0030234	enzyme regulator activity
GO:0046872	metal ion binding

View graph for
Molecular Function

External links

PDB	RCSB:1ckk, PDBe:1ckk, PDBj:1ckk
PDBsum	1ckk
PubMed	10467092
UniProt	P0DP33\|CALM1_XENLA Calmodulin-1 (Gene Name=calm1)

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