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1SRE

CRYSTALLOGRAPHIC AND THERMODYNAMIC COMPARISON OF NATURAL AND SYNTHETIC LIGANDS BOUND TO STREPTAVIDIN

Functional Information from GO Data
ChainGOidnamespacecontents
A0009374molecular_functionbiotin binding
B0009374molecular_functionbiotin binding
Functional Information from PDB Data
site_idAC1
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HAB A 300
ChainResidue
AASN23
ATHR90
ATRP108
AASP128
AHOH761
ASER27
ATYR43
ASER45
AVAL47
AASN49
AALA50
ATRP79
AALA86

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE HAB B 300
ChainResidue
BASN23
BSER27
BTYR43
BSER45
BVAL47
BASN49
BALA50
BTRP108
BASP128

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 Residues4
DetailsMotif: {"description":"Cell attachment site; atypical"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {}
ChainResidueDetails

243911

PDB entries from 2025-10-29

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