2MFZ:
reference: Carbonic Anhydrase Generates CO2 and H+ That Drive Spider Silk Formation Via Opposite Effects on the Terminal Domains., Andersson M, Chen G, Otikovs M, Landreh M, Nordling K, Kronqvist N, Westermark P, Jornvall H, Knight S, Ridderstrale Y, Holm L, Meng Q, Jaudzems K, Chesler M, Johansson J, Rising A, PLoS Biol. 2014 Aug 5;12(8):e1001921. doi: 10.1371/journal.pbio.1001921., eCollection 2014 Aug. PMID: 25093327

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