9WCV

IscU D40A variant from Methanothrix thermoacetophila

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)	Nitrogen-fixing NifU domain protein	polymer	137	15220.5	4	UniProt (A0B757) Pfam (PF01592)	Methanothrix thermoacetophila (strain DSM 6194 / JCM 14653 / NBRC 101360 / PT) (Methanosaeta thermophila)
2	E, F, G, H (A, B, C, D)	water	water		18.0	203	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 129 (UniProt: A0B757)

PDB	External Database	Details
Ala 40	Asp 40	engineered mutation
Leu 130	-	expression tag
Glu 131	-	expression tag
His 132	-	expression tag
His 133	-	expression tag
His 134	-	expression tag
His 135	-	expression tag
His 136	-	expression tag
His 137	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	60881.8
All*	Total formula weight	60881.8

*Water molecules are not included.