CHCHD7 GI:64464338 coiled-coil-helix-coiled-coil-helix domain containing 7 isoform d 1 mhqtrtgkkt vrmpsvtqrl rdpdinpcls esdastrcld ennydrercs 50 51 tyflrykncr rfwnsivmqr rkngvkpfmp taaerdeilr avgnmpy