Gunasekaran, K; Nagarajam HA (1998). "Stereochemical punctuation marks in protein structure". Journal of Molecular Biology. 275 (5): 917–932. doi:10.1006/jmbi.1997.1505. PMID9480777. S2CID35919397.
Gunasekaran, K; Nagarajam HA (1998). "Stereochemical punctuation marks in protein structure". Journal of Molecular Biology. 275 (5): 917–932. doi:10.1006/jmbi.1997.1505. PMID9480777. S2CID35919397.
Gunasekaran, K; Nagarajam HA (1998). "Stereochemical punctuation marks in protein structure". Journal of Molecular Biology. 275 (5): 917–932. doi:10.1006/jmbi.1997.1505. PMID9480777. S2CID35919397.