CATH Domain 3f47A02

CATH Classification

Level	CATH Code	Description
	1	Mainly Alpha
	1.20	Up-down Bundle
	1.20.120	Four Helix Bundle (Hemerythrin (Met), subunit A)
	1.20.120.1300	Hmd, C-terminal helical subdomain

Domain Context

CATH Clusters

Superfamily	Hmd, C-terminal helical subdomain
Functional Family

Enzyme Information

1.12.98.2

5,10-methenyltetrahydromethanopterin hydrogenase.

based on mapping to UniProt Q58194

H(2) + 5,10-methenyltetrahydromethanopterin = H(+) + 5,10- methylenetetrahydromethanopterin.

-!- Does not catalyze the reduction of artificial dyes. -!- Does not by itself catalyze a H(2)/H(+) exchange reaction. -!- Does not contain nickel or iron-sulfur clusters. -!- Formerly EC 1.12.99.4.

UniProtKB Entries (1)

Q58194

HMD_METJA

Methanocaldococcus jannaschii DSM 2661

5,10-methenyltetrahydromethanopterin hydrogenase

PDB Structure

PDB	3F47
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism
Primary Citation	The crystal structure of C176A mutated [Fe]-hydrogenase suggests an acyl-iron ligation in the active site iron complex. Hiromoto, T., Ataka, K., Pilak, O., Vogt, S., Stagni, M.S., Meyer-Klaucke, W., Warkentin, E., Thauer, R.K., Shima, S., Ermler, U. Febs Lett.