1FIH

N-ACETYLGALACTOSAMINE BINDING MUTANT OF MANNOSE-BINDING PROTEIN A (QPDWG-HDRPY), COMPLEX WITH N-ACETYLGALACTOSAMINE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C	MANNOSE-BINDING PROTEIN A	polymer	154	17185.4	3	UniProt (P19999) Pfam (PF00059) In PDB	Rattus norvegicus (Norway rat)	MBP-A, MANNAN-BINDING PROTEIN
2	A, B, C	2-acetamido-2-deoxy-beta-D-galactopyranose	non-polymer		221.2	4	Chemie (NGA)
3	A, B, C	CALCIUM ION	non-polymer		40.1	9	Chemie (CA)
4	A, B, C	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
5		water	water		18.0	171	Chemie (HOH)

Sequence modifications

A, B, C: 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
Trp 181	-	insertion
Gly 191	-	insertion
His 192	-	insertion
Gly 193	-	insertion
Leu 194	-	insertion
Gly 196	Ser 208	engineered mutation
His 202	Thr 214	engineered mutation
Asp 212	Ile 224	engineered mutation
Arg 216	Ala 228	engineered mutation
Pro 217	Ser 229	engineered mutation
Tyr 218	His 230	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	51556.3
Non-Polymers*	Number of molecules	16
	Total formula weight	1351.9
All*	Total formula weight	52908.2

*Water molecules are not included.