8PBB

CHAPSO treated partial catalytic component (comprising only AnfD & AnfK, lacking AnfG and FeFeco) of iron nitrogenase from Rhodobacter capsulatus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Nitrogenase protein alpha chain	polymer	535	60221.1	2	UniProt (D5ANJ7) Pfam (PF00148) In PDB	Rhodobacter capsulatus SB 1003
2	B, D	Nitrogenase iron-iron protein, beta subunit	polymer	460	50776.4	2	UniProt (D5ANJ9) Pfam (PF00148) In PDB	Rhodobacter capsulatus SB 1003
3	B, D	FE(8)-S(7) CLUSTER	non-polymer		671.2	2	Chemie (CLF)

Sequence modifications

A, C: 1 - 527 (UniProt: D5ANJ7)

PDB	External Database	Details
Trp 528	-	expression tag
Ser 529	-	expression tag
His 530	-	expression tag
Pro 531	-	expression tag
Gln 532	-	expression tag
Phe 533	-	expression tag
Glu 534	-	expression tag
Lys 535	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	221995.0
Non-Polymers*	Number of molecules	2
	Total formula weight	1342.4
All*	Total formula weight	223337.5

*Water molecules are not included.