ISDA: 29EI

Deposition Date 2026-03-09

Release Date 2026-10-28

Last Version Date 2026-10-28

Entry Detail

PDB ID:

29EI

Keywords:

OXIDOREDUCTASE

Title:

[FeFe]-hydrogenase CpI from Clostridium pasteurianum, variant E278Q

Biological Source:

Source Organism(s):

Clostridium pasteurianum (Taxon ID: 1501)

Expression System(s):

Escherichia coli bl21(de3)

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.31 Å

R-Value Free:

0.20

R-Value Work:

0.18

R-Value Observed:

0.19

Space Group:

P 1 21 1

Download Validation Report

Macromolecular Entities

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Iron hydrogenase 1
Mutagens:E278Q
Chain IDs:A, B
Chain Length:584
Number of Molecules:2
Biological Source:Clostridium pasteurianum

UniProt ID:P29166 EC:1.12.7.2

Ligand Molecules

402

FES

GOL

SF4

Primary Citation

A Histidine-Mediated, Pendulum-Like Proton Transport Mechanism Is Required for the High Catalytic Activity of [FeFe]-Hydrogenases

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.Show

J.Am.Chem.Soc. ? ? ? (2026)

DOI: 10.1021/jacs.6c14410

Primary Citation of related structures

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