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4KL1

HCN4 CNBD in complex with cGMP

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4polymer19923390.64UniProt (Q9Y3Q4)
Pfam (PF00027)
Homo sapiens (human)
2E, F, J, K, L...
(A, B, C, D)
CYCLIC GUANOSINE MONOPHOSPHATEnon-polymer345.28Chemie (PCG)
PubChem (177270406)
PubChem (136759845)
PubChem (135398570)
PubChem (135402012)
PubChem (135415582)
PubChem (135530416)
PubChem (135566687)
PubChem (135612771)
PubChem (136122637)
PubChem (136183234)
PubChem (136183235)
PubChem (136239427)
PubChem (136268916)
PubChem (136454903)
PubChem (136454906)
PubChem (136488083)
PubChem (136488088)
PubChem (136499047)
PubChem (136678837)
PubChem (137218937)
PubChem (137234705)
PubChem (137279777)
PubChem (138399475)
PubChem (164162904)
3G, H, I, P
(A, C)
ACETATE IONnon-polymer59.04Chemie (ACT)
PubChem (175)
4N, O
(C)
GLYCEROLnon-polymer92.12Chemie (GOL)
PubChem (753)
5S, T, U, V
(A, B, C, D)
waterwater18.0118Chemie (HOH)
Sequence modifications
A, B, C, D: 521 - 713 (UniProt: Q9Y3Q4)
PDBExternal DatabaseDetails
Gly 515-expression tag
Pro 516-expression tag
Ser 517-expression tag
Ser 518-expression tag
Pro 519-expression tag
Met 520-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight93562.5
Non-Polymers*Number of molecules14
Total formula weight3182.0
All*Total formula weight96744.5
*Water molecules are not included.

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PDB entries from 2026-04-01

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