9G5J

Structure of the PRO-PRO endopeptidase (PPEP-3) E153A Y189F in complex with substrate peptide Ac-EPLPPPP-NH2 from Geobacillus thermodenitrificans

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)	ATLF-like domain-containing protein	polymer	230	26307.5	4	UniProt (A4INY2)	Geobacillus thermodenitrificans NG80-2
2	E, F, G, H (E, F, G, H)	ACE-GLU-PRO-LEU-PRO-PRO-PRO-PRO-NH2	polymer	9	769.9	4		synthetic construct
3	I, K, L, M (A, B, C, D)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
4	J (A)	TETRAETHYLENE GLYCOL	non-polymer		194.2	1	Chemie (PG4)
5	N (D)	TRIETHYLENE GLYCOL	non-polymer		150.2	1	Chemie (PGE)
6	O, P, Q, R, S... (A, B, C, D, E...)	water	water		18.0	469	Chemie (HOH)

Sequence modifications

A, B, C, D: 27 - 235 (UniProt: A4INY2)

PDB	External Database	Details
Met 6	-	initiating methionine
Gly 7	-	expression tag
Ser 8	-	expression tag
Ser 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
His 13	-	expression tag
His 14	-	expression tag
His 15	-	expression tag
Ser 16	-	expression tag
Ser 17	-	expression tag
Gly 18	-	expression tag
Leu 19	-	expression tag
Val 20	-	expression tag
Pro 21	-	expression tag
Arg 22	-	expression tag
Gly 23	-	expression tag
Ser 24	-	expression tag
His 25	-	expression tag
Met 26	-	expression tag
Ala 154	Glu 154	engineered mutation
Phe 190	Tyr 190	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	108309.5
Non-Polymers*	Number of molecules	6
	Total formula weight	606.0
All*	Total formula weight	108915.6

*Water molecules are not included.