Protein Details: Potassium voltage-gated channel subfamily H member 2

Protein ID

ICDB_Pro_0178

Protein Name

Potassium voltage-gated channel subfamily H member 2

Gene Name

Kcnh2; Erg

Organism

Rattus norvegicus (Rat)

Length

1163 amino acids

AlphaFoldDB

AF-O08962-F1-model_v4.pdb

Function

Pore-forming (alpha) subunit of voltage-gated inwardly rectifying potassium channel. Channel properties are modulated by cAMP and subunit assembly. Mediates the rapidly activating component of the delayed rectifying potassium current in heart (IKr) (By similarity)

Sequence

MPVRRGHVAPQNTFLDTIIRKFEGQSRKFIIANARVENCAVIYCNDGFCELCGYSRAEVMQRPCTCDFLHGPRTQRRAAAQIAQALLGAEERKVEIAFYRKDGSCFLCLVDVVPVKNEDGAVIMFILNFEVVMEKDMVGSPAHDTNHRGPSTSWLASGRAKTFRLKLPALLALTARESPMRTGSTGSPGAPGAVVVDVDLTPAAPSSESLALDEVSAMDNHVAGLGPAEERRALVGPASASPVASIPGPHPSPRAQSLNPDASGSSCSLARTRSRESCASVRRASSADDIEAMRAGALPLPPRHASTGAMHPLRSGLLNSTSDSDLVRYRTISKIPQITLNFVDLKGDPFLASPTSDREIIAPKIKERTHNVTEKVTQVLSLGADVLPEYKLQAPRIHRWTILHYSPFKAVWDWLILLLVIYTAVFTPYSAAFLLKETEDGSQAPDCGYACQPLAVVDLLVDIMFIVDILINFRTTYVNANEEVVSHPGRIAVHYFKGWFLIDMVAAIPFDLLIFGSGSEELIGLLKTARLLRLVRVARKLDRYSEYGAAVLFLLMCTFALIAHWLACIWYAIGNMEQPHMDSHIGWLHNLGDQIGKPYNSSGLGGPSIKDKYVTALYFTFSSLTSVGFGNVSPNTNSEKIFSICVMLIGSLMYASIFGNVSAIIQRLYSGTARYHTQMLRVREFIRFHQIPNPLRQRLEEYFQHAWSYTNGIDMNAVLKGFPECLQADICLHLNRSLLQHCKPFRGATKGCLRALAMKFKTTHAPPGDTLVHAGDLLTALYFISRGSIEILRGDVVVAILGKNDIFGEPLNLYARPGKSNGDVRALTYCDLHKIHRDDLLEVLDMYPEFSDHFWSSLEITFNLRDTNMIPGSPSSAELESGFNRQRKRKLSFRRRTDKDTEQPGEVSALGQGPARVGPGPSCRGQPGGPWGESPSSGPSSPESSEDEGPGRSSSPLRLVPFSSPRPPGDSPGGEPLTEDGEKSSDTCNPLSGAFSGVSNIFSFWGDSRGRQYQELPRCPAPAPSLLNIPLSSPGRRSRGDVESRLDALQRQLNRLETRLSADMATVLQLLQRQMTLVPPAYSAVTTPGPGPTSTSPLLPVGPVPTLTLDSLSQVSQFVAFEELPAGAPELPQDGPTRRLSLPGQLGALTSQPLHRHGSDPGS

PDB Structures

Ligand Binding

1. DICL_CP

2. DICL_Pep

Binding Site

744..861

Disease

Location

Highly expressed in brain and testis; slightly less so in heart; adrenal; retina and thymus. Detected at lower levels in lung; soleus; tibialis; and at very low levels in cornea and lens. A shorter transcript is detected in skeletal muscle. Found in pituitary.

DOI ID

10.1161/01.res.80.2.261; 10.1046/j.1365-2826.2000.00447.x; 10.1007/s004240000467; 10.1096/fj.02-1057fje; 10.1038/ncomms1871

RefSeq

NP_446401.1