8PJK

ST171-bound serotonin 5-HT1A receptor - Gi 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	Guanine nucleotide-binding protein G(i) subunit alpha-1	polymer	354	40414.0	1	UniProt (P63096) Pfam (PF00503) In PDB	Homo sapiens (human)
2	B	Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	polymer	352	38810.4	1	UniProt (P62873) Pfam (PF00400) In PDB	Homo sapiens (human)
3	G	Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	polymer	71	7861.1	1	UniProt (P59768) Pfam (PF00631) In PDB	Homo sapiens (human)	G gamma-I
4	R	5-hydroxytryptamine receptor 1A	polymer	466	51431.6	1	UniProt (P08908) Pfam (PF00001) In PDB	Homo sapiens (human)	5-HT-1A,5-HT1A,G-21,Serotonin receptor 1A
5	R	CHOLESTEROL	non-polymer		386.7	2	Chemie (CLR)
6	R	6-[3-[2-(2-methoxyphenoxy)ethylamino]propoxy]-4~{H}-1,4-benzoxazin-3-one	non-polymer		372.4	1	Chemie (ZL9)
7	R	(2R)-1-(heptadecanoyloxy)-3-{[(R)-hydroxy{[(1R,2R,3R,4R,5S,6R)-2,3,5,6-tetrahydroxy-4-(phosphonooxy)cyclohexyl]oxy}phosphoryl]oxy}propan-2-yl (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate	non-polymer		953.1	1	Chemie (T7M)
8		water	water		18.0	39	Chemie (HOH)

Sequence modifications

A: 1 - 354 (UniProt: P63096)

PDB	External Database	Details
Asn 47	Ser 47	conflict
Ala 203	Gly 203	conflict
Ala 245	Glu 245	conflict
Ser 326	Ala 326	conflict

B: 2 - 340 (UniProt: P62873)

PDB	External Database	Details
Met -11	-	initiating methionine
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
Ser 0	-	expression tag
Gly 1	-	expression tag

R: 1 - 422 (UniProt: P08908)

PDB	External Database	Details
Met -43	-	initiating methionine
Lys -42	-	expression tag
Thr -41	-	expression tag
Ile -40	-	expression tag
Ile -39	-	expression tag
Ala -38	-	expression tag
Leu -37	-	expression tag
Ser -36	-	expression tag
Tyr -35	-	expression tag
Ile -34	-	expression tag
Phe -33	-	expression tag
Cys -32	-	expression tag
Leu -31	-	expression tag
Val -30	-	expression tag
Phe -29	-	expression tag
Ala -28	-	expression tag
Asp -27	-	expression tag
Tyr -26	-	expression tag
Lys -25	-	expression tag
Asp -24	-	expression tag
Asp -23	-	expression tag
Asp -22	-	expression tag
Asp -21	-	expression tag
Ala -20	-	expression tag
Ala -19	-	expression tag
Ala -18	-	expression tag
Ala -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -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
Glu -6	-	expression tag
Asn -5	-	expression tag
Leu -4	-	expression tag
Tyr -3	-	expression tag
Phe -2	-	expression tag
Gln -1	-	expression tag
Gly 0	-	expression tag
Trp 125	Leu 125	conflict

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	138517.1
Non-Polymers*	Number of molecules	4
	Total formula weight	2098.8
All*	Total formula weight	140615.9

*Water molecules are not included.