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9UPG

Cryo-EM structure of human olfactory CNGA2/A4/B1 in CaM-bound closed state

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(A, C)
Cyclic nucleotide-gated channel alpha-2polymer66476144.12UniProt (Q16280)
Pfam (PF00520)
Pfam (PF00027)
Pfam (PF16526)
Homo sapiens (human)CNG channel alpha-2,CNG-2,CNG2,Olfactory cyclic nucleotide-gated channel subunit 1,OCNC1
2B
(D)
Cyclic nucleotide-gated channel alpha-4polymer57566069.71UniProt (Q8IV77)
Pfam (PF00520)
Pfam (PF00027)
Pfam (PF16526)
Homo sapiens (human)CNG channel alpha-4,CNGa4,Olfactory cyclic nucleotide-gated channel subunit 2,OCNC2
3D
(B)
Cyclic nucleotide-gated channel beta-1polymer1251139831.81UniProt (Q14028)
Pfam (PF00027)
Homo sapiens (human)CNG channel beta-1,Cyclic nucleotide-gated cation channel 4,CNG channel 4,CNG-4,CNG4,Cyclic nucleotide-gated cation channel gamma,Cyclic nucleotide-gated cation channel modulatory subunit,Glutamic acid-rich protein,GARP
4E
(H)
Calmodulin-1polymer14916852.51UniProt (P0DP23)
Pfam (PF13499)
Homo sapiens (human)
5F, G, H, I, J...
(C, H)
CALCIUM IONnon-polymer40.16Chemie (CA)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains5
Total formula weight375042.1
Non-Polymers*Number of molecules6
Total formula weight240.5
All*Total formula weight375282.6
*Water molecules are not included.

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PDB entries from 2026-01-14

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