8F9Q

Guinea pig sialic acid esterase (SIAE)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Sialic acid acetylesterase	polymer	505	56825.5	2	UniProt (H0VB40) Pfam (PF03629)	Cavia porcellus (domestic guinea pig)
2	C, G (C, G)	alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		894.8	2	In PDB GlyTouCan (G42466VF)
3	D, F, H, J (D, F, H, J)	alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		748.7	4	In PDB GlyTouCan (G81315DD)
4	E, I (E, I)	alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		910.8	2	In PDB GlyTouCan (G22768VO)
5	K, L (A, B)	water	water		18.0	25	Chemie (HOH)

Sequence modifications

A, B: 24 - 518 (UniProt: H0VB40)

PDB	External Database	Details
Asp 14	-	expression tag
Arg 15	-	expression tag
His 16	-	expression tag
His 17	-	expression tag
His 18	-	expression tag
His 19	-	expression tag
His 20	-	expression tag
His 21	-	expression tag
Lys 22	-	expression tag
Leu 23	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	113650.9
Branched	Number of molecules	8
	Total formula weight	6606.0
All*	Total formula weight	120256.9

*Water molecules are not included.