8OIE

Iron Nitrogenase Complex 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, F	Nitrogenase protein alpha chain	polymer	535	60221.1	2	UniProt (D5ANJ7) Pfam (PF00148) In PDB	Rhodobacter capsulatus SB 1003
2	B, G	Nitrogenase iron-iron protein delta chain	polymer	115	13414.5	2	UniProt (D5ANJ8) Pfam (PF03139) In PDB	Rhodobacter capsulatus SB 1003	Nitrogenase component I
3	C, H	Nitrogenase iron-iron protein, beta subunit	polymer	460	50776.4	2	UniProt (D5ANJ9) Pfam (PF00148) In PDB	Rhodobacter capsulatus SB 1003
4	D, E, I, J	Nitrogenase iron protein	polymer	275	30212.6	4	UniProt (D5ANJ6) Pfam (PF00142) In PDB	Rhodobacter capsulatus SB 1003	Nitrogenase Fe protein,Nitrogenase component II,Nitrogenase reductase
5	A, F	FeFe cofactor	non-polymer		747.4	2	Chemie (S5Q)
6	A, F	3-HYDROXY-3-CARBOXY-ADIPIC ACID	non-polymer		206.2	2	Chemie (HCA)
7	A, H	FE(8)-S(7) CLUSTER	non-polymer		671.2	2	Chemie (CLF)
8	J, D, E, I	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	4	Chemie (ADP)
9	J, D, E, I	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
10	J, D, E, I	ALUMINUM FLUORIDE	non-polymer		84.0	4	Chemie (AF3)
11	I, D	IRON/SULFUR CLUSTER	non-polymer		351.6	2	Chemie (SF4)
12		water	water		18.0	465	Chemie (HOH)

Sequence modifications

A, F: 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	10
	Total formula weight	369674.5
Non-Polymers*	Number of molecules	20
	Total formula weight	6094.7
All*	Total formula weight	375769.1

*Water molecules are not included.