logo CaMPDB: Calpain for Modulatory Proteolysis Database

SB0046 : Aquaporin-0

[ CaMP Format ]

* Basic Information

OrganismHomo sapiens (human)
Protein Nameslens fiber major intrinsic protein [Homo sapiens]; lens fiber major intrinsic protein; aquaporin 0; Lens fiber major intrinsic protein; Aquaporin-0; MIP26; MP26
Gene NamesMIP; AQP0; major intrinsic protein of lens fiber
Gene Locus12q13; chromosome 12
GO FunctionNot available
Entrez Protein Entrez Nucleotide Entrez Gene UniProt OMIM HGNC HPRD KEGG
NP_036196 NM_012064 4284 P30301 154050 HGNC:7103 01098 hsa:4284

* Information From OMIM

Function: Wang et al. (1995) mapped 2 negative regulatory elements in the MIP 5-prime noncoding region and demonstrated that the promoter is active in lens cells but not in kidney epithelial cells or mouse fibroblasts.

* Structure Information

1. Primary Information

Length: 263 aa

Average Mass: 28.121 kDa

Monoisotopic Mass: 28.104 kDa

2. Domain Information

Annotated Domains: interpro / pfam / smart / prosite

Computationally Assigned Domains (Pfam+HMMER):

domain namebeginendscoree-value
Major intrinsic protein 1. 32191.014.5

3. Sequence Information

Fasta Sequence: SB0046.fasta

Amino Acid Sequence and Secondary Structures (PsiPred):

4. 3D Information

Not Available.

* Cleavage Information

5 [sites] cleaved by Calpain 2

Source Reference: [PubMed ID: 16310784] Ma H, Azuma M, Shearer TR, Degradation of human aquaporin 0 by m-calpain. FEBS Lett. 2005 Dec 19;579(30):6745-8. Epub 2005 Nov 21.

Cleavage sites (±10aa)

[Site 1] KSISERLSVL237-KGAKPDVSNG

Leu237 Lys

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Lys228Ser229Ile230Ser231Glu232Arg233Leu234Ser235Val236Leu237
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Lys238Gly239Ala240Lys241Pro242Asp243Val244Ser245Asn246Gly247

Sequence conservation (by blast)

[Site 2] SISERLSVLK238-GAKPDVSNGQ

Lys238 Gly

iTraq-117 Signal 795.2 () for GAKPDVSNGQ

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Ser229Ile230Ser231Glu232Arg233Leu234Ser235Val236Leu237Lys238
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Gly239Ala240Lys241Pro242Asp243Val244Ser245Asn246Gly247Gln248

Sequence conservation (by blast)

[Site 3] DVSNGQPEVT252-GEPVELNTQA

Thr252 Gly

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Asp243Val244Ser245Asn246Gly247Gln248Pro249Glu250Val251Thr252
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Gly253Glu254Pro255Val256Glu257Leu258Asn259Thr260Gln261Ala262

Sequence conservation (by blast)

[Site 4] EVTGEPVELN259-TQAL

Asn259 Thr

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Glu250Val251Thr252Gly253Glu254Pro255Val256Glu257Leu258Asn259
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Thr260Gln261Ala262Leu263------

Sequence conservation (by blast)

[Site 5] VTGEPVELNT260-QAL

Thr260 Gln

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Val251Thr252Gly253Glu254Pro255Val256Glu257Leu258Asn259Thr260
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Gln261Ala262Leu263-------

Sequence conservation (by blast)

* References

[PubMed ID: 24405844] Yu Y, Yu Y, Chen P, Li J, Zhu Y, Zhai Y, Yao K, A novel MIP gene mutation associated with autosomal dominant congenital cataracts in a Chinese family. BMC Med Genet. 2014 Jan 9;15:6. doi: 10.1186/1471-2350-15-6.

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