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9QJR

GABA-A receptor a2b3 (1:4) + a2NB29(near-silent) + b3Mb125 + GABA

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Gamma-aminobutyric acid receptor subunit alpha-2polymer36541495.51UniProt (P47869)Homo sapiens (human)GABA(A) receptor subunit alpha-2,GABAAR subunit alpha-2
2B, C, D, E
(B, C, D, E)
Gamma-aminobutyric acid receptor subunit beta-3,Gamma-aminobutyric acid receptor subunit beta-3,Gamma-aminobutyric acid receptor subunit beta-3,Soluble cytochrome b562polymer45151615.14UniProt (P28472)Homo sapiens (human)GABA(A) receptor subunit beta-3,GABAAR subunit beta-3
3F
(F)
a2 nanobody 29polymer14015184.51Lama glama
4G, H, I
(G, H, I)
megabody 125polymer52256300.63Lama glama
5J, L, N, P
(K, M, O, Q)
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched424.44In PDB
GlyTouCan (G42666HT)
6K, M, O, Q
(L, N, P, R)
alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched1073.04In PDB
GlyTouCan (G09724ZC)
7R
(A)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.21Chemie (NAG)
PubChem (24139)
8S
(B)
GAMMA-AMINO-BUTANOIC ACIDnon-polymer103.11Chemie (ABU)
PubChem (119)
9T, U, V
(C, D, E)
HISTAMINEnon-polymer111.13Chemie (HSM)
Sequence modifications
A: 1 - 311 (UniProt: P47869)
A: 388 - 423 (UniProt: P47869)
PDBExternal DatabaseDetails
Ser 312-linker
Gln 313-linker
Pro 314-linker
Ala 315-linker
Arg 316-linker
Ala 317-linker
Ala 318-linker
Gly 424-expression tag
Thr 425-expression tag
Thr 426-expression tag
Glu 427-expression tag
Thr 428-expression tag
Ser 429-expression tag
Gln 430-expression tag
Val 431-expression tag
Ala 432-expression tag
Pro 433-expression tag
Ala 434-expression tag
B, C, D, E: 1 - 307 (UniProt: P28472)
B, C, D, E: 308 - 421 (PDB: 9QJR)
B, C, D, E: 422 - 448 (UniProt: P28472)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains9
Total formula weight432042.3
BranchedNumber of molecules8
Total formula weight5989.5
Non-Polymers*Number of molecules5
Total formula weight657.8
All*Total formula weight438689.6
*Water molecules are not included.

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PDB entries from 2026-08-26

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