4A9G

Symmetrized cryo-EM reconstruction of E. coli DegQ 24-mer in complex with beta-casein

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, E...	PERIPLASMIC PH-DEPENDENT SERINE ENDOPROTEASE DEGQ	polymer	436	45542.7	24	UniProt (P39099) Pfam (PF13365) Pfam (PF00595) In PDB	ESCHERICHIA COLI	PROTEASE DO, DEGQ

Sequence modifications

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, Y: 1 - 428 (UniProt: P39099)

PDB	External Database	Details
Ala 187	Ser 214	engineered mutation
Leu 429	-	expression tag
Glu 430	-	expression tag
His 431	-	expression tag
His 432	-	expression tag
His 433	-	expression tag
His 434	-	expression tag
His 435	-	expression tag
His 436	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	24
	Total formula weight	1093023.9
All*	Total formula weight	1093023.9

*Water molecules are not included.