Primary Information
BoMiProt ID	Bomi4259
Protein Name	Beta-crystallin B1/Beta-B1 crystallin
Organism	Bos taurus
Uniprot ID	P07318
Milk Fraction	Whey
Ref Sequence ID	NP_776951.1
Aminoacid Length	253
Molecular Weight	28144
FASTA Sequence	Download
Gene Name	CRYBB1
Gene ID	282205
Protein Existence Status	reviewed
Secondary Information
Protein Function	Crystallins are the dominant structural components of the vertebrate eye lens
Significance in milk	bovine lens formation
PTMs	Acetylation, Methylation
Site(s) of PTM(s) N-glycosylation, O-glycosylation, Phosphorylation	na
Predicted Disorder Regions	1-45, 51-54, 249-253
DisProt Annotation
TM Helix Prediction	No TM helices
Significance of PTMs	Specific cleavages in the N-terminal arm occur during lens maturation and give rise to truncated forms, leading to impaired oligomerization and protein insolubilization.
Bibliography	Berbers, G. A., Hoekman, W. A., Bloemendal, H., de Jong, W. W., Kleinschmidt, T., & Braunitzer, G. (1984). Homology between the primary structures of the major bovine beta-crystallin chains. European journal of biochemistry, 139(3), 467–479. https://doi.org/10.1111/j.1432-1033.1984.tb08029.x