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chymotrypsinogen B; contains: chymotrypsin B chain A, chymotrypsin B chain B, chymotrypsin B chain C (CTRB1, CTRB)
Function:
- peptidase
- preferential cleavage: Tyr-|-Xaa, Trp-|-Xaa, Phe-|-Xaa, Leu-|-Xaa
Structure:
- belongs to the peptidase S1 family
- contains 1 peptidase S1 domain
Compartment: secreted, extracellular space
General
chymotrypsin (alpha chymotrypsin)
Properties
SIZE: entity length = 263 aa
MW = 28 kD
COMPARTMENT: extracellular compartment
MOTIF: signal sequence {1-18}
cysteine residue {C19}
MODIFICATION: cysteine residue {C140}
S1 domain {34-261}
MOTIF: cysteine residue {C60}
MODIFICATION: cysteine residue {C76}
histidine residue {H75}
cysteine residue {C76}
MODIFICATION: cysteine residue {C60}
aspartate residue {D120}
cysteine residue {C140}
MODIFICATION: cysteine residue {C19}
cysteine residue {C154}
MODIFICATION: cysteine residue {C219}
cysteine residue {C186}
MODIFICATION: cysteine residue {C200}
cysteine residue {C200}
MODIFICATION: cysteine residue {C186}
cysteine residue {C209}
MODIFICATION: cysteine residue {C238}
serine residue {S213}
cysteine residue {C219}
MODIFICATION: cysteine residue {C154}
cysteine residue {C238}
MODIFICATION: cysteine residue {C209}
Database Correlations
OMIM 118890
UniProt P17538
Pfam PF00089
References
- UniProt :accession P17538
- Wikipedia; Note: Chymotrypsin entry
http://en.wikipedia.org/wiki/Chymotrypsin