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2Y3F

Traptavidin, biotin bound form

Functional Information from GO Data
ChainGOidnamespacecontents
A0009374molecular_functionbiotin binding
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE BTN A 1136
ChainResidue
AASN23
ASER88
ATHR90
ATRP108
ALEU110
ATRP120
AASP128
AGOL1137
ALEU25
ASER27
ATYR43
ASER45
AVAL47
AGLY48
AASN49
ATRP79

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 1137
ChainResidue
ALEU110
ASER112
ABTN1136
AHOH2121
AHOH2122

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 1138
ChainResidue
ASER93
AGLY94
AGLN95
AASN105
ATHR106
AGLN107
ATHR111
ASER122
ATHR123

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 1139
ChainResidue
AASP53
AASP67
AASN81
AASN82
ATYR83
AHOH2124

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 Residues5
DetailsBINDING:
ChainResidueDetails
ATYR43
ATYR54
ATRP92
ATRP108
ATRP120

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PDB entries from 2025-06-18

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