5D5Q

HcgB from Methanocaldococcus jannaschii with the pyridinol derived from FeGP cofactor of [Fe]-hydrogenase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Uncharacterized protein MJ0488, Guanylyltransferase	polymer	166	18871.3	4	UniProt (Q57912) Pfam (PF11576)	Methanocaldococcus jannaschii	HcgB
2	E, F, G, H (A, B, C, D)	(4,6-dihydroxy-3,5-dimethylpyridin-2-yl)acetic acid	non-polymer		197.2	4	Chemie (57O)
3	I, J, K, L (A, B, C, D)	water	water		18.0	56	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 158 (UniProt: Q57912)

PDB	External Database	Details
Val 2	Ile 2	engineered mutation
Leu 159	-	expression tag
Glu 160	-	expression tag
His 161	-	expression tag
His 162	-	expression tag
His 163	-	expression tag
His 164	-	expression tag
His 165	-	expression tag
His 166	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	75485.2
Non-Polymers*	Number of molecules	4
	Total formula weight	788.8
All*	Total formula weight	76273.9

*Water molecules are not included.