3IGU

Crystal structure of human alpha-N-acetylgalactosaminidase, covalent intermediate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Alpha-N-acetylgalactosaminidase	polymer	400	45582.9	2	UniProt (P17050) Pfam (PF16499) Pfam (PF17450) In PDB	Homo sapiens (human)	Alpha-galactosidase B
2	C	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	1	In PDB GlyTouCan (G42666HT)
3	D, F	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)
4	E	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		570.5	1	In PDB GlyTouCan (G21290RB)
5	A, B	GLYCEROL	non-polymer		92.1	15	Chemie (GOL)
6	A, B	2-deoxy-2,2-difluoro-beta-D-lyxo-hexopyranose	non-polymer		200.1	2	Chemie (7JZ)
7	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
8		water	water		18.0	675	Chemie (HOH)

Sequence modifications

A, B: 18 - 411 (UniProt: P17050)

PDB	External Database	Details
Gln 201	Asn 201	engineered mutation
His 412	-	expression tag
His 413	-	expression tag
His 414	-	expression tag
His 415	-	expression tag
His 416	-	expression tag
His 417	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	91165.7
Branched	Number of molecules	4
	Total formula weight	2816.6
Non-Polymers*	Number of molecules	19
	Total formula weight	2224.1
All*	Total formula weight	96206.4

*Water molecules are not included.