7XDN

Tunnel-redesigned O2-tolerant CO dehydrogenase for removal of CO in real flue gas (ChCODH2 A559H mutant in anaerobic condition)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Carbon monoxide dehydrogenase 2	polymer	656	69259.0	1	UniProt (Q9F8A8) Pfam (PF03063)	Carboxydothermus hydrogenoformans	CODH 2
2	B (A)	IRON/SULFUR CLUSTER	non-polymer		351.6	1	Chemie (SF4)
3	C (A)	FE2/S2 (INORGANIC) CLUSTER	non-polymer		175.8	1	Chemie (FES)
4	D (A)	FE(4)-NI(1)-S(5) CLUSTER	non-polymer		442.4	1	Chemie (NFS)
5	E (A)	water	water		18.0	501	Chemie (HOH)

Sequence modifications

A: 4 - 636 (UniProt: Q9F8A8)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Met 1	-	expression tag
Ala 2	-	expression tag
Arg 3	-	expression tag
His 559	Ala 559	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	69259.0
Non-Polymers*	Number of molecules	3
	Total formula weight	969.9
All*	Total formula weight	70228.8

*Water molecules are not included.