Term Name:	initiator_codon_variant
Synonyms:	initiatior codon variant, initiator codon change, Jannovar:initiator_codon_variant, snpEff:NON_SYNONYMOUS_START, VAT:startOverlap
Definition:	A codon variant that changes at least one base of the first codon of a transcript.
Ontology:	Sequence Ontology [SO:0001582]