It looks like your CG6316 could be a a fusion of 2 proteins- see
alignment of pombe SABC18A8.09 with human and drosophilla homologs
below.
Q9Y5U9 HSPC039 PROTEIN. (82 aa)
initn: 203 init1: 203 opt: 227 z-score: 334.4 E(): 3.7e-11
Smith-Waterman score: 227; 45.7% identity in 81 aa overlap
10 20 30 40 50
;ID sp MFGFGNILYVTLLLLNAVAILSEDRFLGRIGWSQSAALG-FGDRQDTIKSRILHLIRAI
 : . ..: ..X: .::.:.: :.::: :::. . ..: ::. . :::....:::..
Q9Y5U9 MAFTLYSLLQAALLCVNAIAVLHEERFLKNIGWGTDQGIGGFGE-EPGIKSQLMNLIRSV
10 20 30 40 50
60 70 80
;ID sp RTVMTFPLIAINTIVIVYNLVLG
 :::: ::: .:.:.:X :..:
Q9Y5U9 RTVMRVPLIIVNSIAIVLLLLFG
60 70 80
Q9VTE1 CG6316 PROTEIN. (550 aa)
initn: 132 init1: 100 opt: 145 z-score: 208.1 E(): 0.0004
Smith-Waterman score: 145; 44.6% identity in 56 aa overlap
10 20 30 40 50
;ID sp MFGFGNILYVTLLLLNAVAILSEDRFLGRIGWS-QSAALGFGDRQDTIKSRILHLI
 : ..::. :.. :: : :...:.X:
Q9VTE1 EESNNLDRLERFLEQAAQSKEHTSDWGVWKLDKLGWGRQAGQQDFG--APTAKDQVLNLI
470 480 490 500 510 520
60 70 80
;ID sp RAIRTVMTFPLIAINTIVIVYNLVLG
 :.:::: .::: .: :.:...:.:X
Q9VTE1 RSIRTVAKIPLIFLNIIAIIFKLLLG
530 540 550