7ALO

Structure of B*27:09/photoRL9

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D	Lymphocyte antigen HLA-B27	polymer	292	33871.3	2	UniProt (A0A2R7Z5J3) Pfam (PF00129) Pfam (PF07654) In PDB	Homo sapiens (Human)	MHC class I antigen
2	B, E	Beta-2-microglobulin	polymer	100	11879.4	2	UniProt (P61769) Pfam (PF07654) In PDB	Homo sapiens (Human)
3	C, F	Vasoactive intestinal polypeptide receptor 1	polymer	9	1453.7	2	UniProt (P32241) In PDB	Homo sapiens	VIP-R-1,Pituitary adenylate cyclase-activating polypeptide type II receptor,PACAP type II receptor,PACAP-R-2,PACAP-R2,VPAC1
4	A, B, D, E	GLYCEROL	non-polymer		92.1	12	Chemie (GOL)
5	B, D	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	2	Chemie (TRS)
6	B	PENTAETHYLENE GLYCOL	non-polymer		238.3	1	Chemie (1PE)
7	B	TRIETHYLENE GLYCOL	non-polymer		150.2	1	Chemie (PGE)
8	D	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
9		water	water		18.0	527	Chemie (HOH)

Sequence modifications

A, D: 1 - 277 (UniProt: A0A2R7Z5J3)

PDB	External Database	Details
Met -14	-	initiating methionine
Ala -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
Val -6	-	expression tag
Asp -5	-	expression tag
Asp -4	-	expression tag
Asp -3	-	expression tag
Asp -2	-	expression tag
Lys -1	-	expression tag
Ile 0	-	expression tag

B, E: 1 - 99 (UniProt: P61769)

PDB	External Database	Details
Met 0	-	initiating methionine

C, F: 1 - 9 (UniProt: P32241)

PDB	External Database	Details
Prq 8	His 407	conflict

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	94408.7
Non-Polymers*	Number of molecules	17
	Total formula weight	1844.0
All*	Total formula weight	96252.7

*Water molecules are not included.