4WCX

Crystal structure of HydG: A maturase of the [FeFe]-hydrogenase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Biotin and thiamin synthesis associated	polymer	480	55223.2	2	UniProt (D3T7F1) Pfam (PF04055) Pfam (PF06968) In PDB	Thermoanaerobacter italicus
2	A, C	IRON/SULFUR CLUSTER	non-polymer		351.6	4	Chemie (SF4)
3	A	METHIONINE	non-polymer		149.2	1	Chemie (MET)
4	A	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
5	A	ALANINE	non-polymer		89.1	1	Chemie (ALA)
6	A, C	HYDROSULFURIC ACID	non-polymer		34.1	2	Chemie (H2S)
7	A, C	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
8	C	S-ADENOSYLMETHIONINE	non-polymer		398.4	1	Chemie (SAM)
9		water	water		18.0	814	Chemie (HOH)

Sequence modifications

A, C: 1 - 466 (UniProt: D3T7F1)

PDB	External Database	Details
Met -13	-	initiating methionine
Gly -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Ser -3	-	expression tag
Gln -2	-	expression tag
Asp -1	-	expression tag
Pro 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	110446.3
Non-Polymers*	Number of molecules	13
	Total formula weight	2236.3
All*	Total formula weight	112682.6

*Water molecules are not included.