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2IZD

APOSTREPTAVIDIN pH 3.0 I222 COMPLEX

Functional Information from GO Data
ChainGOidnamespacecontents
B0009374molecular_functionbiotin binding
D0009374molecular_functionbiotin binding
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 B 464
ChainResidue
BTRP108
BGLY126
BHIS127
BHOH867
BHOH1509
DTRP120
DHOH742
DHOH1400

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL B 465
ChainResidue
BSER27
BTYR43
BSER45
BASN23

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE IOD D 463
ChainResidue
DTHR114
DTHR115
DASN118

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NH4 D 466
ChainResidue
DASP128
DCL467
DHOH501

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL D 467
ChainResidue
DASN23
DSER27
DTYR43
DSER45
DNH4466

Functional Information from PROSITE/UniProt
site_idPS00577
Number of Residues15
DetailsAVIDIN_1 Avidin-like domain signature. NawKStlVGhDtFTK
ChainResidueDetails
BASN118-LYS132

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues122
DetailsDomain: {"description":"Avidin-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU00656","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsMotif: {"description":"Cell attachment site; atypical"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsBinding site: {}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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