4GG6

Protein complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	HLA class II histocompatibility antigen, DQ alpha 1 chain	polymer	192	21874.4	2	UniProt (P01909) Pfam (PF00993) Pfam (PF07654) In PDB	Homo sapiens (human)	DC-1 alpha chain, DC-alpha, HLA-DCA, MHC class II DQA1
2	B, D	HLA class II histocompatibility antigen, DQ beta 1 chain	polymer	215	24606.5	2	UniProt (P01920) Pfam (PF00969) Pfam (PF07654) In PDB	Homo sapiens (human)	MHC class II antigen DQB1
3	E, G	T-CELL RECEPTOR, SP3.4 ALPHA CHAIN	polymer	207	23039.5	2	Pfam (PF07686) Pfam (PF09291) UniProt (by SIFTS) (K7N5N2) In PDB	Homo sapiens
4	F, H	T-CELL RECEPTOR, SP3.4 BETA CHAIN	polymer	245	27558.5	2	Pfam (PF07654) UniProt (by SIFTS) (P01850) In PDB	Homo sapiens
5	I, J	Peptide from Alpha/beta-gliadin MM1	polymer	18	2008.0	2	UniProt (P18573) In PDB	Triticum aestivum	Prolamin
6	A, C	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	3	Chemie (NAG)

Sequence modifications

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

PDB	External Database	Details
Ser 23	Thr 49	SEE REMARK 999
Glu 31	Gln 57	SEE REMARK 999
Glu 37	Gly 63	SEE REMARK 999
Gln 44	Cys 70	SEE REMARK 999
Leu 47	Val 73	SEE REMARK 999
Phe 48	Leu 74	SEE REMARK 999
Arg 50	Gln 76	SEE REMARK 999
Arg 52	-	SEE REMARK 999
Ile 72	Ser 97	SEE REMARK 999
Val 73	Leu 98	SEE REMARK 999
Thr 104	Ile 129	SEE REMARK 999
Phe 153	Leu 178	SEE REMARK 999
Asp 158	Glu 183	SEE REMARK 999
Ile 160	Ser 185	SEE REMARK 999
Glu 172	Lys 197	SEE REMARK 999
Ser 182	-	expression tag
Ser 183	-	expression tag
Ala 184	-	expression tag
Asp 185	-	expression tag
Leu 186	-	expression tag
Val 187	-	expression tag
Pro 188	-	expression tag
Arg 189	-	expression tag

B, D: 1 - 192 (UniProt: P01920)

PDB	External Database	Details
Gly -14	-	expression tag
Gly -13	-	expression tag
Gly -12	-	expression tag
Gly -11	-	expression tag
Ser -10	-	expression tag
Ile -9	-	expression tag
Glu -8	-	expression tag
Gly -7	-	expression tag
Arg -6	-	expression tag
Gly -5	-	expression tag
Ser -4	-	expression tag
Gly -3	-	expression tag
Gly -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Gly 13	Ala 45	SEE REMARK 999
Leu 26	Tyr 58	SEE REMARK 999
Gly 45	Glu 77	SEE REMARK 999
Ala 57	Asp 89	SEE REMARK 999
Arg 167	His 199	SEE REMARK 999
Ile 185	Thr 217	SEE REMARK 999
Ser 193	-	expression tag
Ser 194	-	expression tag
Ala 195	-	expression tag
Asp 196	-	expression tag
Leu 197	-	expression tag
Val 198	-	expression tag
Pro 199	-	expression tag
Arg 200	-	expression tag

I, J: -3 - 14 (UniProt: P18573)

PDB	External Database	Details
Glu 3	Gln 249	engineered mutation
Glu 11	Gln 257	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	198173.6
Non-Polymers*	Number of molecules	3
	Total formula weight	663.6
All*	Total formula weight	198837.3

*Water molecules are not included.