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4TWD

X-ray structure of a pentameric ligand gated ion channel from Erwinia chrysanthemi (ELIC) in complex with memantine

Functional Information from GO Data
ChainGOidnamespacecontents
A0004888molecular_functiontransmembrane signaling receptor activity
A0005216molecular_functionmonoatomic ion channel activity
A0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
A0006811biological_processmonoatomic ion transport
A0016020cellular_componentmembrane
A0034220biological_processmonoatomic ion transmembrane transport
B0004888molecular_functiontransmembrane signaling receptor activity
B0005216molecular_functionmonoatomic ion channel activity
B0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
B0006811biological_processmonoatomic ion transport
B0016020cellular_componentmembrane
B0034220biological_processmonoatomic ion transmembrane transport
C0004888molecular_functiontransmembrane signaling receptor activity
C0005216molecular_functionmonoatomic ion channel activity
C0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
C0006811biological_processmonoatomic ion transport
C0016020cellular_componentmembrane
C0034220biological_processmonoatomic ion transmembrane transport
D0004888molecular_functiontransmembrane signaling receptor activity
D0005216molecular_functionmonoatomic ion channel activity
D0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
D0006811biological_processmonoatomic ion transport
D0016020cellular_componentmembrane
D0034220biological_processmonoatomic ion transmembrane transport
E0004888molecular_functiontransmembrane signaling receptor activity
E0005216molecular_functionmonoatomic ion channel activity
E0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
E0006811biological_processmonoatomic ion transport
E0016020cellular_componentmembrane
E0034220biological_processmonoatomic ion transmembrane transport
F0004888molecular_functiontransmembrane signaling receptor activity
F0005216molecular_functionmonoatomic ion channel activity
F0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
F0006811biological_processmonoatomic ion transport
F0016020cellular_componentmembrane
F0034220biological_processmonoatomic ion transmembrane transport
G0004888molecular_functiontransmembrane signaling receptor activity
G0005216molecular_functionmonoatomic ion channel activity
G0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
G0006811biological_processmonoatomic ion transport
G0016020cellular_componentmembrane
G0034220biological_processmonoatomic ion transmembrane transport
H0004888molecular_functiontransmembrane signaling receptor activity
H0005216molecular_functionmonoatomic ion channel activity
H0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
H0006811biological_processmonoatomic ion transport
H0016020cellular_componentmembrane
H0034220biological_processmonoatomic ion transmembrane transport
I0004888molecular_functiontransmembrane signaling receptor activity
I0005216molecular_functionmonoatomic ion channel activity
I0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
I0006811biological_processmonoatomic ion transport
I0016020cellular_componentmembrane
I0034220biological_processmonoatomic ion transmembrane transport
J0004888molecular_functiontransmembrane signaling receptor activity
J0005216molecular_functionmonoatomic ion channel activity
J0005230molecular_functionextracellular ligand-gated monoatomic ion channel activity
J0006811biological_processmonoatomic ion transport
J0016020cellular_componentmembrane
J0034220biological_processmonoatomic ion transmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue 377 A 401
ChainResidue
AGLU77
APRO132
APHE133
APHE188
ETYR38

site_idAC2
Number of Residues5
Detailsbinding site for residue 377 A 402
ChainResidue
ESER247
AALA244
BALA244
BSER247
CALA244

site_idAC3
Number of Residues5
Detailsbinding site for residue 377 B 401
ChainResidue
ATYR38
BGLU131
BPRO132
BTYR175
BPHE188

site_idAC4
Number of Residues7
Detailsbinding site for residue 377 C 401
ChainResidue
BTYR38
CGLU131
CPRO132
CPHE133
CTYR175
CLEU178
CPHE188

site_idAC5
Number of Residues6
Detailsbinding site for residue 377 C 402
ChainResidue
CTYR38
CASN103
DGLU131
DPRO132
DPHE133
DTYR175

site_idAC6
Number of Residues6
Detailsbinding site for residue 377 E 401
ChainResidue
DTYR38
DASN103
EGLU131
EPHE133
ETYR175
EPHE188

site_idAC7
Number of Residues6
Detailsbinding site for residue 377 F 401
ChainResidue
FGLU131
FPRO132
FPHE133
FTYR175
FPHE188
JTYR38

site_idAC8
Number of Residues3
Detailsbinding site for residue 377 F 402
ChainResidue
FALA244
IALA244
JALA244

site_idAC9
Number of Residues7
Detailsbinding site for residue 377 G 401
ChainResidue
FTYR38
FARG91
GGLU131
GPRO132
GPHE133
GTYR175
GPHE188

site_idAD1
Number of Residues6
Detailsbinding site for residue 377 H 401
ChainResidue
GTYR38
HGLU77
HPRO132
HPHE133
HTYR175
HPHE188

site_idAD2
Number of Residues7
Detailsbinding site for residue 377 H 402
ChainResidue
HTYR38
IGLU77
IGLU131
IPRO132
IPHE133
ITYR175
IPHE188

site_idAD3
Number of Residues5
Detailsbinding site for residue 377 J 401
ChainResidue
ITYR38
JGLU131
JPRO132
JPHE133
JTYR175

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues600
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues220
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues90
DetailsTopological domain: {"description":"Periplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues80
DetailsMotif: {"description":"Cys-loop"}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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