Get possible protein strings from reading frames in DNA

reading_frame.go

package main

import (
	"fasta"
	"fmt"
	"strings"
)

func main() {
	fastaFile := fasta.NewFastaFileWithPath("orf.txt")

	candidateStrings := make(map[string]bool)

	for _, dnaSeq := range fastaFile.DnaSeqs {
		orfs := dnaSeq.GetOpenReadingFrames()

		for _, orf := range orfs {
			aminoAcidSequence := orf.GetAminoAcidSequence()

			for i, amino := range aminoAcidSequence {
				if amino == "M" {
					sequence := strings.Join((getAminoSequenceFromIndex(aminoAcidSequence[i:])), "")
					candidateStrings[sequence] = true
				}
			}
		}
	}

	for candidate, _ := range candidateStrings {
		if len(candidate) > 0 {
			fmt.Println(candidate)
		}
	}
}

func getAminoSequenceFromIndex(sequence []string) []string {
	for i, val := range sequence {
		if val == "Stop" {
			return sequence[0:i]
		}
	}

	return nil
}