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Okuyama K, Okuyama K, Arnott S, Takayanagi M, Kakudo M. «Crystal and molecular structure of a collagen-like polypeptide (Pro-Pro-Gly)10». Journal of Molecular Biology. 152 (2): 427–443. PMID7328660. doi:10.1016/0022-2836(81)90252-7
Fraser RD, MacRae TP, Miller A. «Molecular packing in type I collagen fibrils». Journal of Molecular Biology. 193 (1): 115–125. PMID3586015. doi:10.1016/0022-2836(87)90631-0
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Okuyama K, Bächinger HP, Mizuno K, Boudko S, Engel J, Berisio R, Vitagliano L. «Re: Microfibrillar structure of type I collagen in situ». Acta Crystallographica. Section D, Biological Crystallography. 65 (Pt 9): 1009–10. Bibcode:2009AcCrD..65.1007O. PMID19690380. doi:10.1107/S0907444909023051
Orgel, Joseph (2009). «On the packing structure of collagen: response to Okuyama et al.'s comment on Microfibrillar structure of type I collagen in situ». Acta Crystallographica Section D. D65 (9): 1009. Bibcode:2009AcCrD..65.1009O. doi:10.1107/S0907444909028741
Fraser RD, MacRae TP, Suzuki E. «Chain conformation in the collagen molecule». Journal of Molecular Biology. 129 (3): 463–481. PMID458854. doi:10.1016/0022-2836(79)90507-2
Okuyama K, Okuyama K, Arnott S, Takayanagi M, Kakudo M. «Crystal and molecular structure of a collagen-like polypeptide (Pro-Pro-Gly)10». Journal of Molecular Biology. 152 (2): 427–443. PMID7328660. doi:10.1016/0022-2836(81)90252-7
Fraser RD, MacRae TP, Miller A. «Molecular packing in type I collagen fibrils». Journal of Molecular Biology. 193 (1): 115–125. PMID3586015. doi:10.1016/0022-2836(87)90631-0
Wess TJ, Hammersley AP, Wess L, Miller A. «Molecular packing of type I collagen in tendon». Journal of Molecular Biology. 275 (2): 255–267. PMID9466908. doi:10.1006/jmbi.1997.1449