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3U0Z

Tetramerization dynamics of the C-terminus underlies isoform-specific cAMP-gating in HCN channels

Functional Information from GO Data
ChainGOidnamespacecontents
A0005249molecular_functionvoltage-gated potassium channel activity
A0005887cellular_componentintegral component of plasma membrane
A0030552molecular_functioncAMP binding
A0035725biological_processsodium ion transmembrane transport
A0071805biological_processpotassium ion transmembrane transport
B0005249molecular_functionvoltage-gated potassium channel activity
B0005887cellular_componentintegral component of plasma membrane
B0030552molecular_functioncAMP binding
B0035725biological_processsodium ion transmembrane transport
B0071805biological_processpotassium ion transmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE CMP A 646
ChainResidue
AVAL511
AARG579
AARG582
APHE527
AGLY528
AGLU529
AILE530
ACYS531
AARG538
ATHR539
AALA540

site_idAC2
Number of Residues11
DetailsBINDING SITE FOR RESIDUE CMP B 646
ChainResidue
BVAL511
BPHE527
BGLY528
BGLU529
BILE530
BCYS531
BARG538
BTHR539
BALA540
BARG579
BARG582

Functional Information from PROSITE/UniProt
site_idPS00888
Number of Residues17
DetailsCNMP_BINDING_1 Cyclic nucleotide-binding domain signature 1. IIrEGAvGKkMYFIqhG
ChainResidueDetails
AILE491-GLY507

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues14
DetailsBINDING: BINDING => ECO:0000269|PubMed:22006928, ECO:0007744|PDB:3U0Z
ChainResidueDetails
AGLY528
BCYS531
BARG538
BTHR539
BARG579
BARG582
AGLU529
ACYS531
AARG538
ATHR539
AARG579
AARG582
BGLY528
BGLU529

238268

PDB entries from 2025-07-02

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