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4ZDP

The crystal structure of Y334C mutant of human SepSecS in complex with selenocysteine tRNA (tRNASec)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000049molecular_functiontRNA binding
A0001514biological_processselenocysteine incorporation
A0001717biological_processconversion of seryl-tRNAsec to selenocys-tRNAsec
A0003723molecular_functionRNA binding
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006412biological_processtranslation
A0016740molecular_functiontransferase activity
A0098621molecular_functionO-phosphoseryl-tRNA(Sec) selenium transferase activity
B0000049molecular_functiontRNA binding
B0001514biological_processselenocysteine incorporation
B0001717biological_processconversion of seryl-tRNAsec to selenocys-tRNAsec
B0003723molecular_functionRNA binding
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006412biological_processtranslation
B0016740molecular_functiontransferase activity
B0098621molecular_functionO-phosphoseryl-tRNA(Sec) selenium transferase activity
C0000049molecular_functiontRNA binding
C0001514biological_processselenocysteine incorporation
C0001717biological_processconversion of seryl-tRNAsec to selenocys-tRNAsec
C0003723molecular_functionRNA binding
C0005515molecular_functionprotein binding
C0005634cellular_componentnucleus
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0006412biological_processtranslation
C0016740molecular_functiontransferase activity
C0098621molecular_functionO-phosphoseryl-tRNA(Sec) selenium transferase activity
D0000049molecular_functiontRNA binding
D0001514biological_processselenocysteine incorporation
D0001717biological_processconversion of seryl-tRNAsec to selenocys-tRNAsec
D0003723molecular_functionRNA binding
D0005515molecular_functionprotein binding
D0005634cellular_componentnucleus
D0005737cellular_componentcytoplasm
D0005829cellular_componentcytosol
D0006412biological_processtranslation
D0016740molecular_functiontransferase activity
D0098621molecular_functionO-phosphoseryl-tRNA(Sec) selenium transferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues15
Detailsbinding site for residue PLR A 1001
ChainResidue
AARG75
AALA254
ATYR255
ALYS284
AGLY312
AARG313
AHOH1108
AALA143
ATHR144
AGLY145
AILE170
AGLN172
ASER174
ACYS175
AASN252

site_idAC2
Number of Residues3
Detailsbinding site for residue PO4 A 1002
ChainResidue
AARG97
AGLN105
AHOH1163

site_idAC3
Number of Residues14
Detailsbinding site for residue PLR B 1001
ChainResidue
BARG75
BSER98
BALA143
BTHR144
BGLY145
BILE170
BGLN172
BSER174
BASN252
BTYR255
BLYS284
BGLY312
BARG313
BHOH1175

site_idAC4
Number of Residues4
Detailsbinding site for residue PO4 B 1002
ChainResidue
BARG97
BGLN105
BARG313
BHOH1136

site_idAC5
Number of Residues4
Detailsbinding site for residue PO4 C 1002
ChainResidue
CARG97
CGLN105
CARG313
CHOH1148

site_idAC6
Number of Residues7
Detailsbinding site for residue PO4 D 1002
ChainResidue
DARG97
DSER98
DGLN105
DARG313
DHOH1105
DHOH1108
DHOH1125

site_idAC7
Number of Residues21
Detailsbinding site for Di-peptide PLR C 1001 and LYS C 284
ChainResidue
CARG75
CALA143
CTHR144
CGLY145
CILE170
CGLN172
CSER174
CCYS175
CASN252
CALA254
CTYR255
CSER281
CLEU282
CASP283
CASN285
CGLY312
CARG313
CHOH1102
CHOH1103
CHOH1117
CHOH1127

site_idAC8
Number of Residues20
Detailsbinding site for Di-peptide PLR D 1001 and LYS D 284
ChainResidue
DGLU74
DARG75
DSER98
DALA143
DTHR144
DGLY145
DGLN172
DSER174
DASN252
DALA254
DTYR255
DSER281
DLEU282
DASP283
DASN285
DGLY312
DARG313
DILE440
DHOH1103
DHOH1120

Functional Information from PROSITE/UniProt
site_idPS00435
Number of Residues11
DetailsPEROXIDASE_1 Peroxidases proximal heme-ligand signature. DIIKLAGVHTV
ChainResidueDetails
AASP124-VAL134

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues40
DetailsRegion: {"description":"Phosphate loop (P-loop)","evidences":[{"source":"PubMed","id":"19608919","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues32
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19608919","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsSite: {"description":"May act as a substrate filter by repelling compounds with a negatively charged alpha-carboxylate","evidences":[{"source":"UniProtKB","id":"Q6P6M7","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine","evidences":[{"source":"PubMed","id":"19608919","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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