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6SOK

Engineered streptavidin variant (VTAR) in complex with the Twin-Strep-tag peptide

Functional Information from GO Data
ChainGOidnamespacecontents
A0009374molecular_functionbiotin binding
B0009374molecular_functionbiotin binding
C0009374molecular_functionbiotin binding
D0009374molecular_functionbiotin binding
Functional Information from PDB Data
site_idAC1
Number of Residues3
Detailsbinding site for Di-peptide NH2 P 101 and LYS P 10
ChainResidue
AALA46
PPHE8
PGLU9

site_idAC2
Number of Residues4
Detailsbinding site for Di-peptide NH2 Q 101 and LYS Q 10
ChainResidue
BALA46
BARG47
QPHE8
QGLU9

site_idAC3
Number of Residues3
Detailsbinding site for Di-peptide NH2 R 101 and LYS R 10
ChainResidue
RGLU9
CARG47
RPHE8

site_idAC4
Number of Residues3
Detailsbinding site for Di-peptide NH2 S 101 and LYS S 10
ChainResidue
DARG47
SPHE8
SGLU9

Functional Information from PROSITE/UniProt
site_idPS00577
Number of Residues15
DetailsAVIDIN_1 Avidin-like domain signature. NawKStlVGhDtFTK
ChainResidueDetails
AASN118-LYS132

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsMotif: {"description":"Cell attachment site; atypical"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues20
DetailsBinding site: {}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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