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3RDM

Crystal structure of R7-2 streptavidin complexed with biotin/PEG

Functional Information from GO Data
ChainGOidnamespacecontents
A0009374molecular_functionbiotin binding
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE 1PE A 700
ChainResidue
AASN36
ALEU38
ASER40
ATYR56
AASN62
ATRP92
ASER101
ATRP133
AASP141

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE BTN A 300
ChainResidue
AASN36
ASER40
ATYR56
ASER58
AVAL60
AASN62
ATRP92
ASER101
ASER103
AVAL121
ATHR123
ATRP133
AASP141

Functional Information from PROSITE/UniProt
site_idPS00577
Number of Residues15
DetailsAVIDIN_1 Avidin-like domain signature. NawKStlVGhDtFTK
ChainResidueDetails
AASN131-LYS145

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsMotif: {"description":"Cell attachment site; atypical"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues5
DetailsBinding site: {}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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