4R0V

[FeFe]-hydrogenase Oxygen Inactivation is Initiated by the Modification and Degradation of the H cluster 2Fe Subcluster

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Fe-hydrogenase	polymer	514	55284.2	2	UniProt (Q9FYU1) Pfam (PF02906) Pfam (PF02256)	Chlamydomonas reinhardtii	Iron hydrogenase, Iron-hydrogenase HydA1
2	C, G (A, B)	IRON/SULFUR CLUSTER	non-polymer		351.6	2	Chemie (SF4)
3	D, E, H, I (A, B)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
4	F, J (A, B)	ARSENIC	non-polymer		74.9	2	Chemie (ARS)
5	K, L (A, B)	water	water		18.0	293	Chemie (HOH)

Sequence modifications

A, B: 1 - 497 (UniProt: Q9FYU1)

PDB	External Database	Details
Leu 498	-	expression tag
Glu 499	-	expression tag
Ile 500	-	expression tag
Glu 501	-	expression tag
Gly 502	-	expression tag
Arg 503	-	expression tag
Gln 504	-	expression tag
Leu 505	-	expression tag
Gly 506	-	expression tag
Trp 507	-	expression tag
Ser 508	-	expression tag
His 509	-	expression tag
Pro 510	-	expression tag
Gln 511	-	expression tag
Phe 512	-	expression tag
Glu 513	-	expression tag
Lys 514	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	110568.4
Non-Polymers*	Number of molecules	8
	Total formula weight	994.9
All*	Total formula weight	111563.3

*Water molecules are not included.