Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4PIR

X-ray structure of the mouse serotonin 5-HT3 receptor

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E
(A, B, C, D, E)
5-hydroxytryptamine receptor 3Apolymer45652609.75UniProt (P23979)
Pfam (PF02931)
Pfam (PF02932)
Mus musculus (Mouse)5-HT3A,5-hydroxytryptamine receptor 3,5-HT3R,Serotonin receptor 3A,Serotonin-gated ion channel receptor
2F, G, H, I, J
(F, G, H, I, J)
VHH15polymer12413458.95Lama glama
3K, M, O, P, R...
(K, M, O, P, R...)
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched424.49In PDB
GlyTouCan (G42666HT)
4L, N, Q, T, W
(L, N, Q, T, W)
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched586.55In PDB
GlyTouCan (G15407YE)
5AA, CA, FA, Y, Z
(C, D, E, A, B)
CHLORIDE IONnon-polymer35.55Chemie (CL)
6BA, GA, HA
(D, H)
SULFATE IONnon-polymer96.13Chemie (SO4)
7DA, EA
(E)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.22Chemie (NAG)
Sequence modifications
A, B, C, D, E: 1 - 462 (UniProt: P23979)
PDBExternal DatabaseDetails
Ala 4Glu 31conflict
Arg 5-insertion
Ala 277-insertion
Ser 461Tyr 480conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains10
Total formula weight330342.8
BranchedNumber of molecules14
Total formula weight6752.3
Non-Polymers*Number of molecules10
Total formula weight907.9
All*Total formula weight338003.0
*Water molecules are not included.

239149

PDB entries from 2025-07-23

PDB statisticsPDBj update infoContact PDBjnumon