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. 2004 Apr 7;101(16):6003–6008. doi: 10.1073/pnas.0400444101

Table 2. Comparison of the molecular masses of capsid proteins and distances between the capsomers in tailed dsDNA bacteriophages.

Phage Molecular mass of capsid protein, kDa Distance between capsomers, Å
φ29 50 142
P22 47 ≈132
T4 49 140
HK97 31 132