Q88DB8 is an unreviewed, homology-inferred phosphoserine phosphatase, so its
target product line is not treated as independent confirmation of the GOA
calls
[file:PSEPK/serB/serB-uniprot.txt
"RecName: Full=Phosphoserine phosphatase"].
The positive inference combines the target's reaction-discriminating
NCBIfam SerB assignment
[file:PSEPK/serB/serB-uniprot.txt "TIGR00338; serB"] and Mg2+ cofactor line
with characterized orthologs. A bacterial SerB was biochemically characterized
for conversion of O-phospho-L-serine to L-serine
PMID:25037224,
while the archaeal SerB-family structure directly establishes the conserved
Mg2+-dependent phosphoaspartyl mechanism
PMID:11342136.