Summary for CaMKIα (NES ID: 143)

Full Name
Calcium/calmodulin-dependent protein kinase type 1     UniProt    
Alternative Names
CaM kinase I (CaM-KI)
CaM kinase I alpha (CaMKI-alpha)   
Organism
Rattus norvegicus (Rat)    
Experimental Evidence for CRM1-mediated Export
Mutations That Affect Nuclear Export
Mutations That Affect CRM1 Binding
Unknown
Functional Export Signals
Undetermined
Secondary Structure of Export Signal
α-helix (residues 298-317)
Other Residues Important for Export
Unknown
Sequence
Show FASTA Format Show Domain Info by CDD Show Secondary Structure by PSIPRED Show Conservation Score by AL2CO
10 20 30 40 50 60
MPGAVEGPRW KQAEDIRDIY DFRDVLGTGA FSEVILAEDK RTQKLVAIKC IAKKALEGKE
70 80 90 100 110 120
GSMENEIAVL HKIKHPNIVA LDDIYESGGH LYLIMQLVSG GELFDRIVEK GFYTERDASR
130 140 150 160 170 180
LIFQVLDAVK YLHDLGIVHR DLKPENLLYY SLDEDSKIMI SDFGLSKMED PGSVLSTACG
190 200 210 220 230 240
TPGYVAPEVL AQKPYSKAVD CWSIGVIAYI LLCGYPPFYD ENDAKLFEQI LKAEYEFDSP
250 260 270 280 290 300
YWDDISDSAK DFIRHLMEKD PEKRFTCEQA LQHPWIAGDT ALDKNIHQSV SEQIKKNFAK
310 320 330 340 350 360
SKWKQAFNAT AVVRHMRKLQ LGTSQEGQGQ TASHGELLTP TAGGPAAGCC CRDCCVEPGS
370
ELPPAPPPSS RAMD
3D Structures in PDB
1A06 (X-Ray,2.50 Å resolution)
1MXE (X-Ray,1.70 Å resolution)
Comments
CaMKI has been implicated in several cellular processes. CaMKI has multiple isoforms. Stedman et al. showed that CaMKIα has a functional NES overlapping the CaM-binding domain. Preincubation of CaMKIα with Ca2+/CaM increased binding of CaMKIα to CRM1. It was possibly due to the conformational change due to Ca2+/CaM binding.
References
[1]. "Cytoplasmic localization of calcium/calmodulin-dependent protein kinase I-alpha depends on a nuclear export signal in its regulatory domain"
Stedman DR, Uboha NV, Stedman TT, Nairn AC, Picciotto MR. (2004) FEBS Lett, 566:275-280 PubMed
User Input
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