C37C3.8 probably has a conserved non-canonical initiation codon.
The first exon of orthologs of the CDS C37C3.8c has an ORF with a conserved a coding sequence.
It is highly likely that the initiation starts with the first Isoleucine residue.
`brenneri_CBN00990 VIGGLKTTRGGPK-RRRRPAQDQRGP–LQYHP-RRDDTSEAIQSNCVLPLPPSFSHTLH
elegans_C37C3.8 VIGRLKTTRGGPT-RRRRPAQDQRGP–LQYHP-RRD-TSNAKQSNCLT–EPS-NHSLH
remanei_CRE18617 VIGGSKTTRGGPT-RRRRPAQDQRGPPLQQHHPPRRD-TSEANKSTCVT------VFSFQ
briggsae_CBG20564 VIGGLKSSRGCPTTRRRRPAQDQRGPHPLKYHPYRRD-TSAEA-SNCVT-----QQPTSS
*** ::* . ************ ::* *** *. .:: :
brenneri_CBN00990 AFFIR
elegans_C37C3.8 TFFLR
remanei_CRE18617 AFILR
briggsae_CBG20564 NFIQR
*: *`
This gene has now been curated so that there is an isoform which uses this region as the first exon and starts with the Isoleucine.
Would anyone like to do some work to confirm this assumption?