logo CaMPDB: Calpain for Modulatory Proteolysis Database

SB0106 : Aggrecan

[ CaMP Format ]

* Basic Information

OrganismBos taurus (cattle)
Protein Namesaggrecan core protein precursor [Bos taurus]; aggrecan core protein precursor; aggrecan core protein; aggrecan 1 (chondroitin sulfate proteoglycan 1, large aggregating proteoglycan, antigen identified by monoclonal antibody A0122); aggrecan epidermal growth factor-like domain-1; CSPCP; cartilage-specific proteoglycan core protein
Gene NamesACAN; aggrecan
Gene Locus21; chromosome 21
GO FunctionNot available
Entrez Protein Entrez Nucleotide Entrez Gene UniProt OMIM HGNC HPRD KEGG
NP_776406 NM_173981 280985 N/A N/A N/A N/A N/A

* Information From OMIM

Not Available.

* Structure Information

1. Primary Information

Length: 2327 aa

Average Mass: 242.478 kDa

Monoisotopic Mass: 242.333 kDa

2. Domain Information

Annotated Domains: Not Available.

Computationally Assigned Domains (Pfam+HMMER):

domain namebeginendscoree-value
Chordopoxvirus A33R protein 1. 149183102.00.0
Chordopoxvirus A33R protein 2. 257283113.00.0
Domain of unknown function 1. 35040336.00.0
--- cleavage 365 (inside Domain of unknown function 350..403) ---
--- cleavage 474 ---
Chordopoxvirus A33R protein 3. 499517119.00.0
Chordopoxvirus A33R protein 4. 594624116.00.0
--- cleavage 719 ---
Immunoglobulin V-set domain 1. 2051208227.00.0
Chordopoxvirus A33R protein 5. 21222153106.00.0
Sushi repeat (SCR repeat) 1. 224423001.00.6

3. Sequence Information

Fasta Sequence: SB0106.fasta

Amino Acid Sequence and Secondary Structures (PsiPred):

4. 3D Information

Not Available.

* Cleavage Information

3 [sites] cleaved by Calpain 2

Source Reference: [PubMed ID: 15175011] Oshita H, Sandy JD, Suzuki K, Akaike A, Bai Y, Sasaki T, Shimizu K, Mature bovine articular cartilage contains abundant aggrecan that is C-terminally truncated at Ala719-Ala720, a site which is readily cleaved by m-calpain. Biochem J. 2004 Aug 15;382(Pt 1):253-9.

Cleavage sites (±10aa)

[Site 1] DIPESFFGVG365-GEEDITIQTV

Gly365 Gly

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Asp356Ile357Pro358Glu359Ser360Phe361Phe362Gly363Val364Gly365
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Gly366Glu367Glu368Asp369Ile370Thr371Ile372Gln373Thr374Val375

Sequence conservation (by blast)

[Site 2] VVQVTLAPGA474-AEVPGQPRLP

Ala474 Ala

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Val465Val466Gln467Val468Thr469Leu470Ala471Pro472Gly473Ala474
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Ala475Glu476Val477Pro478Gly479Gln480Pro481Arg482Leu483Pro484

Sequence conservation (by blast)

[Site 3] MVTQVGPGVA719-AVPIGEETTA

Ala719 Ala

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Met710Val711Thr712Gln713Val714Gly715Pro716Gly717Val718Ala719
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Ala720Val721Pro722Ile723Gly724Glu725Glu726Thr727Thr728Ala729

Sequence conservation (by blast)

* References

[PubMed ID: 24032649] Ciechomska M, Wilson CL, Floudas A, Hui W, Rowan AD, van Eden W, Robinson JH, Knight AM, Antigen-specific B lymphocytes acquire proteoglycan aggrecan from cartilage extracellular matrix resulting in antigen presentation and CD4+ T-cell activation. Immunology. 2014 Jan;141(1):70-8. doi: 10.1111/imm.12169.

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