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1ZSX

Crystal Structure Of Human Potassium Channel Kv Beta-subunit (KCNAB2)

Functional Information from GO Data
ChainGOidnamespacecontents
A0005249molecular_functionvoltage-gated potassium channel activity
A0005737cellular_componentcytoplasm
A0006813biological_processpotassium ion transport
A0016020cellular_componentmembrane
A0055085biological_processtransmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 347
ChainResidue
AALA201
AGLU202
ALYS210

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 349
ChainResidue
AASN192
AASN192

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 350
ChainResidue
AMET152
AGLU183
ALYS221

site_idAC4
Number of Residues36
DetailsBINDING SITE FOR RESIDUE NAP A 800
ChainResidue
ATHR42
ATRP43
AGLN49
AASP71
ATYR76
ALYS104
AASN144
ASER174
AARG175
AGLN200
ATRP229
ASER230
APRO231
ALEU232
AALA233
ACYS234
AGLY235
ASER238
ALYS240
ASER249
AARG250
ALEU307
ALEU308
AGLY309
ASER311
AGLN315
AGLU318
AASN319
AHOH801
AHOH807
AHOH812
AHOH814
AHOH823
AHOH825
AHOH997
AGLY41

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"UniProtKB","id":"P62483","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues19
DetailsBinding site: {"evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"JUN-2005","submissionDatabase":"PDB data bank","title":"Crystal structure of human potassium channel Kv beta-subunit (KCNAB2).","authoringGroup":["Structural genomics consortium (SGC)"]}},{"source":"PDB","id":"1ZSX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P62483","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"21357749","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 2alr
ChainResidueDetails
ALYS104
ATYR76

250059

PDB entries from 2026-03-04

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