Theo NTBS: A-u ; T-A; G-x ; X-G (ARN) ; (ADN) A-T ; G-X và ngược lại.
Mạch khuôn:\(-T-A-A-X-T-G-X-T-A-G-T-X-A-T-G-\)
Mạch b.sung:\(-A-T-T-G-A-X-G-A-T-X-A-G-T-A-X-\)
M1(m2):-T-A-A-X-T-G-X-T-A-G-A-T-G-
M2(M1):-A-T-T-G-A-X-G-A-T-X-T-A-X-
m1:-T-A-A-X-T-G-X-T-A-G-A-T-G-
M2: -A-T-T-G-A-X-G-A-T-X-T-A-X-