9QQ6

Structure of the Azotobacter vinelandii NifL-NifA complex

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	histidine kinase	polymer	537	59897.2	2	UniProt (C1DMA9) Pfam (PF00989) Pfam (PF02518)	Azotobacter vinelandii DJ
2	C (C)	Nif-specific regulatory protein	polymer	528	58979.2	1	UniProt (C1DMB0) Pfam (PF13185) Pfam (PF00158) Pfam (PF02954)	Azotobacter vinelandii DJ
3	D, F (A, B)	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	2	Chemie (FAD)
4	E, G, H (A, B, C)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	3	Chemie (ADP)

Sequence modifications

A, B: 2 - 519 (UniProt: C1DMA9)

PDB	External Database	Details
Met -17	-	initiating methionine
Ala -16	-	expression tag
Ser -15	-	expression tag
Trp -14	-	expression tag
Ser -13	-	expression tag
His -12	-	expression tag
Pro -11	-	expression tag
Gln -10	-	expression tag
Phe -9	-	expression tag
Glu -8	-	expression tag
Lys -7	-	expression tag
Gly -6	-	expression tag
Ala -5	-	expression tag
Asp -4	-	expression tag
Asp -3	-	expression tag
Asp -2	-	expression tag
Asp -1	-	expression tag
Lys 0	-	expression tag
Val 1	-	expression tag

C: 1 - 522 (UniProt: C1DMB0)

PDB	External Database	Details
His 523	-	expression tag
His 524	-	expression tag
His 525	-	expression tag
His 526	-	expression tag
His 527	-	expression tag
His 528	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	178773.6
Non-Polymers*	Number of molecules	5
	Total formula weight	2852.7
All*	Total formula weight	181626.3

*Water molecules are not included.