5MQR

Sialidase BT_1020

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Beta-L-arabinobiosidase	polymer	1108	129222.0	1	UniProt (A0A0P0FQG4) Pfam (PF13088) Pfam (PF22585) Pfam (PF22422) Pfam (PF03633) UniProt (by SIFTS) (Q8A8Z7)	Bacteroides thetaiotaomicron	BT_1020
2	B, J (A)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	C, D (A)	TRIETHYLENE GLYCOL	non-polymer		150.2	2	Chemie (PGE)
4	E, F (A)	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	2	Chemie (EPE)
5	G, H (A)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
6	I (A)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
7	K (A)	water	water		18.0	890	Chemie (HOH)

Sequence modifications

A: 21 - 1109 (UniProt: A0A0P0FQG4)

PDB	External Database	Details
Mse 2	-	initiating methionine
Gly 3	-	expression tag
Ser 4	-	expression tag
Ser 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
Ser 12	-	expression tag
Ser 13	-	expression tag
Gly 14	-	expression tag
Pro 15	-	expression tag
Gln 16	-	expression tag
Gln 17	-	expression tag
Gly 18	-	expression tag
Leu 19	-	expression tag
Arg 20	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	129222.0
Non-Polymers*	Number of molecules	9
	Total formula weight	1004.2
All*	Total formula weight	130226.2

*Water molecules are not included.