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3KCU

Structure of formate channel

Functional Information from GO Data
ChainGOidnamespacecontents
A0005886cellular_componentplasma membrane
A0015499molecular_functionformate transmembrane transporter activity
A0015724biological_processformate transport
A0016020cellular_componentmembrane
A0022857molecular_functiontransmembrane transporter activity
A0042802molecular_functionidentical protein binding
A0055085biological_processtransmembrane transport
B0005886cellular_componentplasma membrane
B0015499molecular_functionformate transmembrane transporter activity
B0015724biological_processformate transport
B0016020cellular_componentmembrane
B0022857molecular_functiontransmembrane transporter activity
B0042802molecular_functionidentical protein binding
B0055085biological_processtransmembrane transport
C0005886cellular_componentplasma membrane
C0015499molecular_functionformate transmembrane transporter activity
C0015724biological_processformate transport
C0016020cellular_componentmembrane
C0022857molecular_functiontransmembrane transporter activity
C0042802molecular_functionidentical protein binding
C0055085biological_processtransmembrane transport
D0005886cellular_componentplasma membrane
D0015499molecular_functionformate transmembrane transporter activity
D0015724biological_processformate transport
D0016020cellular_componentmembrane
D0022857molecular_functiontransmembrane transporter activity
D0042802molecular_functionidentical protein binding
D0055085biological_processtransmembrane transport
E0005886cellular_componentplasma membrane
E0015499molecular_functionformate transmembrane transporter activity
E0015724biological_processformate transport
E0016020cellular_componentmembrane
E0022857molecular_functiontransmembrane transporter activity
E0042802molecular_functionidentical protein binding
E0055085biological_processtransmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE MA5 A 286
ChainResidue
AALA111
ALYS112
ATRP114
ALEU115
ATYR118
AHOH297
AHOH299
AHOH309
CTHR233

Functional Information from PROSITE/UniProt
site_idPS01005
Number of Residues10
DetailsFORMATE_NITRITE_TP_1 Formate and nitrite transporters signature 1. VVcGADLFTS
ChainResidueDetails
AVAL83-SER92

site_idPS01006
Number of Residues11
DetailsFORMATE_NITRITE_TP_2 Formate and nitrite transporters signature 2. GilANLMVCLA
ChainResidueDetails
AGLY168-ALA178

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues650
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"19940917","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3KCU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KCV","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues370
DetailsTopological domain: {"description":"Periplasmic","evidences":[{"source":"PubMed","id":"19940917","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3KCU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KCV","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues129
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"19940917","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3KCU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KCV","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues10
DetailsSite: {"description":"Important for formate translocation","evidences":[{"source":"UniProtKB","id":"P0AC23","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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