10QH

Crystal Structure of Treponema denticola Sialidase (TDE_0471) Bound to Neu5Ac (NANA)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	exo-alpha-sialidase	polymer	531	58804.7	1	UniProt (Q73QH2)	Treponema denticola
2	B, C, D, E, F... (A)	CADMIUM ION	non-polymer		112.4	17	Chemie (CD)
3	S (A)	N-acetyl-beta-neuraminic acid	non-polymer		309.3	1	Chemie (SLB)
4	AA, BA, CA, DA, T... (A)	1,2-ETHANEDIOL	non-polymer		62.1	9	Chemie (EDO)
5	V (A)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
6	Y (A)	TRIETHYLENE GLYCOL	non-polymer		150.2	1	Chemie (PGE)
7	EA (A)	water	water		18.0	498	Chemie (HOH)

Sequence modifications

A: 25 - 543 (UniProt: Q73QH2)

PDB	External Database	Details
Met 13	-	expression tag
Arg 14	-	expression tag
Gly 15	-	expression tag
Ser 16	-	expression tag
His 17	-	expression tag
His 18	-	expression tag
His 19	-	expression tag
His 20	-	expression tag
His 21	-	expression tag
His 22	-	expression tag
Gly 23	-	expression tag
Ser 24	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	58804.7
Non-Polymers*	Number of molecules	29
	Total formula weight	3035.2
All*	Total formula weight	61839.8

*Water molecules are not included.