9SAG

Nickel-soaked crystal structure of [FeFe]-hydrogenase CpI from Clostridium pasteurianum, at pH6

Summary for 9SAG

• Entry DOI: 10.2210/pdb9sag/pdb
• Related: 4XDC
• Descriptor: Iron hydrogenase 1, dicarbonyl[bis(cyanide-kappaC)]-mu-(iminodimethanethiolatato-1kappaS:2kappaS)-mu-(oxomethylidene)diiron(2+), IRON/SULFUR CLUSTER, ... (9 entities in total)
• Functional Keywords: [fefe]-hydrogenase, nickel-soaked at ph6, oxidoreductase
• Biological source: Clostridium pasteurianum
• Total number of polymer chains: 2
• Total formula weight: 135545.25

Authors

Duan, J.,Yang, Z.,Hofmann, E.,Happe, T. (deposition date: 2025-08-07, release date: 2026-10-28)

• Primary citation: Duan, J.,Yang, Z.,Lampret, O.,Arrigoni, F.,Impel, L.V.,Zheng, F.,Kleinhaus, J.,Apfel, U.P.,Greco, C.,De Gioia, L.,Hofmann, E.,Hemschemeier, A.,Happe, T.; A Histidine-Mediated, Pendulum-Like Proton Transport Mechanism Is Required for the High Catalytic Activity of [FeFe]-Hydrogenases; J.Am.Chem.Soc., 2026; DOI: 10.1021/jacs.6c14410

Experimental method

X-RAY DIFFRACTION (1.45 Å)