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sperm activating protein complex (SPAP)
Function:
- presumably activates spermatozoa
Structure:
- subunits include:
- APOA1, Ig heavy chain, Ig light chain, albumin
General
molecular complex
Properties
SUBUNITS: apolipoprotein A1
COMPARTMENT: plasma
MOTIF: signal sequence {1-18}
consensus repeat {68-89}
consensus repeat {90-111}
consensus repeat {112-122}
consensus repeat {123-144}
consensus repeat {145-166}
consensus repeat {167-188}
consensus repeat {189-210}
MOTIF: Ser phosphorylation site {S191}
consensus repeat {211-232}
consensus repeat {233-243}
consensus repeat {244-267}
immunoglobulin heavy chain
MOTIF: Ig heavy chain variable region
NAME: Ig heavy chain variable region
heavy chain constant region-1
MOTIF: cysteine residue {CH1.SITE1}
MODIFICATION: cysteine residue {CH1.SITE2}
cysteine residue {CH1.SITE2}
MODIFICATION: cysteine residue {CH1.SITE1}
cysteine residue {C-TO-CH1}
MODIFICATION: cysteine residue {C-TO-CL}
hinge region
MOTIF: cysteine residue {HINGE1}
MODIFICATION: cysteine residue {HINGE1}
cysteine residue {HINGE2}
MODIFICATION: cysteine residue {HINGE2}
heavy chain constant region-2
MOTIF: cysteine residue {CH2.SITE1}
MODIFICATION: cysteine residue {CH2.SITE2}
cysteine residue {CH2.SITE2}
MODIFICATION: cysteine residue {CH2.SITE1}
heavy chain constant region-3
MOTIF: cysteine residue {CH3.SITE1}
MODIFICATION: cysteine residue {CH3.SITE2}
cysteine residue {CH3.SITE2}
MODIFICATION: cysteine residue {CH3.SITE1}
immunoglobulin light chain
MOTIF: Ig light chain variable region
NAME: Ig light chain variable region
light chain constant region
MOTIF: cysteine residue {CLSITE1}
MODIFICATION: cysteine residue {CL.SITE2}
cysteine residue {CL.SITE2}
MODIFICATION: cysteine residue {CL.SITE1}
cysteine residue {C-TO-CL}
MODIFICATION: cysteine residue {C-TO-CH1}
References
UniProt :accession P02647
Components
apolipoprotein A1 (APOA1)
immunoglobulin heavy chain
immunoglobulin light chain