1BCH

MANNOSE-BINDING PROTEIN-A MUTANT (QPDWGH) COMPLEXED WITH N-ACETYL-D-GALACTOSAMINE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	1, 2, 3	MANNOSE-BINDING PROTEIN-A	polymer	154	17062.3	3	UniProt (P19999) Pfam (PF00059) In PDB	Rattus norvegicus (Norway rat)	CL-QPDWGH
2	1	2-acetamido-2-deoxy-alpha-D-galactopyranose	non-polymer		221.2	1	Chemie (A2G)
3	1, 2, 3	CALCIUM ION	non-polymer		40.1	9	Chemie (CA)
4	1, 2, 3	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
5	2, 3	2-acetamido-2-deoxy-beta-D-galactopyranose	non-polymer		221.2	2	Chemie (NGA)
6	2	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
7		water	water		18.0	326	Chemie (HOH)

Sequence modifications

1, 2, 3: 73 - 226 (UniProt: P19999)

PDB	External Database	Details
Gln 185	Glu 202	engineered mutation
Asp 187	Asn 204	engineered mutation
Trp 189	His 206	engineered mutation
Tyr 190	Gly 207	engineered mutation
Gly 191	Ser 208	engineered mutation
His 192	-	insertion
Gly 193	-	insertion
Leu 194	-	insertion
Gly 195	-	insertion
Gly 196	-	insertion
His 202	Thr 214	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	51187.0
Non-Polymers*	Number of molecules	16
	Total formula weight	1153.7
All*	Total formula weight	52340.7

*Water molecules are not included.