4DH2:
reference: Novel Clostridium thermocellum Type I Cohesin-Dockerin Complexes Reveal a Single Binding Mode., Bras JL, Alves VD, Carvalho AL, Najmudin S, Prates JA, Ferreira LM, Bolam DN, Romao MJ, Gilbert HJ, Fontes CM, J Biol Chem. 2012 Dec 28;287(53):44394-405. doi: 10.1074/jbc.M112.407700. Epub, 2012 Nov 1. PMID: 23118225

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