7DRN

Structure of ATP-grasp ligase PsnB complexed with precursor peptide PsnA2 and AMPPNP

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)	ATP-grasp domain-containing protein	polymer	334	37023.8	4	UniProt (A6G4D7) Pfam (PF08443)	Plesiocystis pacifica SIR-1	PsnB, ATP-grasp ligase
2	E, F (E, F)	PsnA214-38, Precursor peptide	polymer	25	2567.9	2	UniProt (A6GH40)	Plesiocystis pacifica SIR-1
3	G, H (A, C)	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER	non-polymer		506.2	2	Chemie (ANP)

Sequence modifications

A, B, C, D: 1 - 314 (UniProt: A6G4D7)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	153231.0
Non-Polymers*	Number of molecules	2
	Total formula weight	1012.4
All*	Total formula weight	154243.4

*Water molecules are not included.