DNA Base Pair Calculator

Analyze DNA sequence composition, generate complementary strands, and calculate molecular properties.

DNA Sequence Input

Non-ATGC characters will be removed

Base Pairing Rules

A = T (2 H-bonds)
G = C (3 H-bonds)

Sequence Length

17 bp
Single-stranded DNA

Nucleotide Composition

A
4
23.5%
T
4
23.5%
G
5
29.4%
C
4
23.5%

Complementary Strand

5'-ATGCGATCGATCGATCG-3'
3'-TACGCTAGCTAGCTAGC-5'

Molecular Properties

GC Content52.9%
AT Content47.1%
Molecular Weight5610 Da
Melting Temperature (Tm)47.1°C
Hydrogen Bonds23