6U3M

DQ2-P.fluor-alpha1a

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (C, A)	HLA class II histocompatibility antigen, DQ alpha 1 chain	polymer	191	21501.8	2	UniProt (P01909) Pfam (PF00993) Pfam (PF07654)	Homo sapiens (Human)	DC-1 alpha chain,DC-alpha,HLA-DCA,MHC class II DQA1
2	B, D (D, B)	MHC class II HLA-DQ-beta-1	polymer	206	23703.5	2	UniProt (O19712) Pfam (PF00969) Pfam (PF07654)	Homo sapiens (Human)
3	E, F (E, F)	Alpha1a peptide	polymer	21	2172.5	2		Pseudomonas fluorescens
4	G, H (G, H)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
5	I, J, M, N (C, A)	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
6	K (D)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
7	L (A)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	1	Chemie (NAG)
8	O, P, Q, R, S... (C, D, A, B, E...)	water	water		18.0	479	Chemie (HOH)

Sequence modifications

C, A: -1 - 181 (UniProt: P01909)

PDB	External Database	Details
Ser 44	Cys 70	conflict
Thr 182	-	expression tag
Ser 183	-	expression tag
Gly 184	-	expression tag
Asp 185	-	expression tag
Asp 186	-	expression tag
Asp 187	-	expression tag
Asp 188	-	expression tag
Lys 189	-	expression tag

D, B: 1 - 192 (UniProt: O19712)

PDB	External Database	Details
Gly -5	-	expression tag
Gly -4	-	expression tag
Ser -3	-	expression tag
Gly -2	-	expression tag
Ala -1	-	expression tag
Ser 0	-	expression tag
Thr 193	-	expression tag
Gly 194	-	expression tag
Gly 195	-	expression tag
Asp 196	-	expression tag
Asp 197	-	expression tag
Asp 198	-	expression tag
Asp 199	-	expression tag
Lys 200	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	94755.6
Branched	Number of molecules	2
	Total formula weight	848.8
Non-Polymers*	Number of molecules	6
	Total formula weight	684.6
All*	Total formula weight	96289.0

*Water molecules are not included.