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4GJS

Streptavidin-K121H

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0009374molecular_functionbiotin binding
B0005576cellular_componentextracellular region
B0009374molecular_functionbiotin binding
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE 0OD A 400
ChainResidue
AASN23
ASER88
ATHR90
ATRP108
AASP128
BHIS121
ALEU25
ASER27
ATYR43
ASER45
AVAL47
AGLY48
AASN49
ATRP79

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE RH A 401
ChainResidue
AHIS127
BRH401
BHOH574

site_idAC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE 0OD B 400
ChainResidue
ATRP120
AHIS121
BASN23
BLEU25
BSER27
BTYR43
BSER45
BVAL47
BGLY48
BASN49
BTRP79
BSER88
BTHR90
BTRP92
BTRP108
BASP128

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE RH B 401
ChainResidue
ARH401
AHOH524
BHIS127

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsMotif: {"description":"Cell attachment site; atypical"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {}
ChainResidueDetails

243083

PDB entries from 2025-10-15

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