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6DK1

Human sigma-1 receptor bound to (+)-pentazocine

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C
(A, B, C)
Sigma non-opioid intracellular receptor 1polymer22725447.93UniProt (Q99720)
Pfam (PF04622)
Homo sapiens (Human)Aging-associated gene 8 protein,SR31747-binding protein,SR-BP,Sigma 1-type opioid receptor,hSigmaR1
2D, O, X
(A, B, C)
(2S,6S,11S)-6,11-dimethyl-3-(3-methylbut-2-en-1-yl)-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocin-8-olnon-polymer285.43Chemie (GM4)
PubChem (9669)
PubChem (66387)
PubChem (198520)
PubChem (441278)
PubChem (6102288)
PubChem (6328623)
PubChem (11000612)
PubChem (12259677)
PubChem (12259678)
PubChem (12259680)
PubChem (12259682)
PubChem (12259685)
PubChem (25234108)
PubChem (44303090)
PubChem (45055403)
PubChem (44246749)
PubChem (4736)
PubChem (91259853)
PubChem (12259681)
PubChem (58506875)
PubChem (90679108)
3AA, E, F, G, H...
(C, A, B)
SULFATE IONnon-polymer96.114Chemie (SO4)
4BA, CA, L, T
(C, A, B)
GLYCEROLnon-polymer92.14Chemie (GOL)
PubChem (753)
5DA, EA, FA, GA, HA...
(C, A, B)
(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoatenon-polymer356.511Chemie (OLC)
PubChem (5283468)
PubChem (5364833)
PubChem (11451146)
PubChem (12178130)
PubChem (25021708)
PubChem (46840179)
PubChem (54294270)
PubChem (33022)
PubChem (54294271)
6JA, KA, LA
(A, B, C)
waterwater18.086Chemie (HOH)
Sequence modifications
A, B, C: 1 - 223 (UniProt: Q99720)
PDBExternal DatabaseDetails
Gly -3-expression tag
Pro -2-expression tag
Gly -1-expression tag
Ser 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight76343.6
Non-Polymers*Number of molecules32
Total formula weight6491.5
All*Total formula weight82835.1
*Water molecules are not included.

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PDB entries from 2026-04-08

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