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3BSZ

Crystal structure of the transthyretin-retinol binding protein-Fab complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0001523biological_processretinoid metabolic process
A0003105biological_processnegative regulation of glomerular filtration
A0005179molecular_functionhormone activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0005737cellular_componentcytoplasm
A0006144biological_processpurine nucleobase metabolic process
A0007603biological_processphototransduction, visible light
A0032991cellular_componentprotein-containing complex
A0035578cellular_componentazurophil granule lumen
A0042562molecular_functionhormone binding
A0042802molecular_functionidentical protein binding
A0044877molecular_functionprotein-containing complex binding
A0070062cellular_componentextracellular exosome
A0140313molecular_functionmolecular sequestering activity
B0001523biological_processretinoid metabolic process
B0003105biological_processnegative regulation of glomerular filtration
B0005179molecular_functionhormone activity
B0005515molecular_functionprotein binding
B0005576cellular_componentextracellular region
B0005615cellular_componentextracellular space
B0005737cellular_componentcytoplasm
B0006144biological_processpurine nucleobase metabolic process
B0007603biological_processphototransduction, visible light
B0032991cellular_componentprotein-containing complex
B0035578cellular_componentazurophil granule lumen
B0042562molecular_functionhormone binding
B0042802molecular_functionidentical protein binding
B0044877molecular_functionprotein-containing complex binding
B0070062cellular_componentextracellular exosome
B0140313molecular_functionmolecular sequestering activity
C0001523biological_processretinoid metabolic process
C0003105biological_processnegative regulation of glomerular filtration
C0005179molecular_functionhormone activity
C0005515molecular_functionprotein binding
C0005576cellular_componentextracellular region
C0005615cellular_componentextracellular space
C0005737cellular_componentcytoplasm
C0006144biological_processpurine nucleobase metabolic process
C0007603biological_processphototransduction, visible light
C0032991cellular_componentprotein-containing complex
C0035578cellular_componentazurophil granule lumen
C0042562molecular_functionhormone binding
C0042802molecular_functionidentical protein binding
C0044877molecular_functionprotein-containing complex binding
C0070062cellular_componentextracellular exosome
C0140313molecular_functionmolecular sequestering activity
D0001523biological_processretinoid metabolic process
D0003105biological_processnegative regulation of glomerular filtration
D0005179molecular_functionhormone activity
D0005515molecular_functionprotein binding
D0005576cellular_componentextracellular region
D0005615cellular_componentextracellular space
D0005737cellular_componentcytoplasm
D0006144biological_processpurine nucleobase metabolic process
D0007603biological_processphototransduction, visible light
D0032991cellular_componentprotein-containing complex
D0035578cellular_componentazurophil granule lumen
D0042562molecular_functionhormone binding
D0042802molecular_functionidentical protein binding
D0044877molecular_functionprotein-containing complex binding
D0070062cellular_componentextracellular exosome
D0140313molecular_functionmolecular sequestering activity
E0001523biological_processretinoid metabolic process
E0001654biological_processeye development
E0002639biological_processpositive regulation of immunoglobulin production
E0005501molecular_functionretinoid binding
E0005515molecular_functionprotein binding
E0005576cellular_componentextracellular region
E0005615cellular_componentextracellular space
E0006094biological_processgluconeogenesis
E0007283biological_processspermatogenesis
E0007507biological_processheart development
E0007601biological_processvisual perception
E0007603biological_processphototransduction, visible light
E0008584biological_processmale gonad development
E0009410biological_processresponse to xenobiotic stimulus
E0014850biological_processresponse to muscle activity
E0016918molecular_functionretinal binding
E0019841molecular_functionretinol binding
E0030277biological_processmaintenance of gastrointestinal epithelium
E0030324biological_processlung development
E0032024biological_processpositive regulation of insulin secretion
E0032526biological_processresponse to retinoic acid
E0032868biological_processresponse to insulin
E0032991cellular_componentprotein-containing complex
E0034632molecular_functionretinol transmembrane transporter activity
E0034633biological_processretinol transport
E0042572biological_processretinol metabolic process
E0042574biological_processretinal metabolic process
E0042593biological_processglucose homeostasis
E0044877molecular_functionprotein-containing complex binding
E0045471biological_processresponse to ethanol
E0048562biological_processembryonic organ morphogenesis
E0048706biological_processembryonic skeletal system development
E0048738biological_processcardiac muscle tissue development
E0048807biological_processfemale genitalia morphogenesis
E0050908biological_processdetection of light stimulus involved in visual perception
E0060041biological_processretina development in camera-type eye
E0060044biological_processnegative regulation of cardiac muscle cell proliferation
E0060059biological_processembryonic retina morphogenesis in camera-type eye
E0060065biological_processuterus development
E0060068biological_processvagina development
E0060157biological_processurinary bladder development
E0060347biological_processheart trabecula formation
E0070062cellular_componentextracellular exosome
E0071939biological_processvitamin A import into cell
E0140104molecular_functionmolecular carrier activity
F0001523biological_processretinoid metabolic process
F0001654biological_processeye development
F0002639biological_processpositive regulation of immunoglobulin production
F0005501molecular_functionretinoid binding
F0005515molecular_functionprotein binding
F0005576cellular_componentextracellular region
F0005615cellular_componentextracellular space
F0006094biological_processgluconeogenesis
F0007283biological_processspermatogenesis
F0007507biological_processheart development
F0007601biological_processvisual perception
F0007603biological_processphototransduction, visible light
F0008584biological_processmale gonad development
F0009410biological_processresponse to xenobiotic stimulus
F0014850biological_processresponse to muscle activity
F0016918molecular_functionretinal binding
F0019841molecular_functionretinol binding
F0030277biological_processmaintenance of gastrointestinal epithelium
F0030324biological_processlung development
F0032024biological_processpositive regulation of insulin secretion
F0032526biological_processresponse to retinoic acid
F0032868biological_processresponse to insulin
F0032991cellular_componentprotein-containing complex
F0034632molecular_functionretinol transmembrane transporter activity
F0034633biological_processretinol transport
F0042572biological_processretinol metabolic process
F0042574biological_processretinal metabolic process
F0042593biological_processglucose homeostasis
F0044877molecular_functionprotein-containing complex binding
F0045471biological_processresponse to ethanol
F0048562biological_processembryonic organ morphogenesis
F0048706biological_processembryonic skeletal system development
F0048738biological_processcardiac muscle tissue development
F0048807biological_processfemale genitalia morphogenesis
F0050908biological_processdetection of light stimulus involved in visual perception
F0060041biological_processretina development in camera-type eye
F0060044biological_processnegative regulation of cardiac muscle cell proliferation
F0060059biological_processembryonic retina morphogenesis in camera-type eye
F0060065biological_processuterus development
F0060068biological_processvagina development
F0060157biological_processurinary bladder development
F0060347biological_processheart trabecula formation
F0070062cellular_componentextracellular exosome
F0071939biological_processvitamin A import into cell
F0140104molecular_functionmolecular carrier activity
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE RTL E 177
ChainResidue
BGLY83
EPHE36
ELEU37
EMET73
EMET88
ELEU97
EGLN98
EHIS104
EPHE135

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE RTL F 178
ChainResidue
DGLY83
FPHE36
FLEU37
FMET73
FMET88
FGLN98
FHIS104
FPHE135

Functional Information from PROSITE/UniProt
site_idPS00213
Number of Residues14
DetailsLIPOCALIN Lipocalin signature. NFDkaRFSGTWYAM
ChainResidueDetails
EASN14-MET27

site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YTCEATH
ChainResidueDetails
LTYR196-HIS202

site_idPS00768
Number of Residues16
DetailsTRANSTHYRETIN_1 Transthyretin signature 1. KVLDavrGsPAinVaV
ChainResidueDetails
ALYS15-VAL30

site_idPS00769
Number of Residues13
DetailsTRANSTHYRETIN_2 Transthyretin signature 2. YTIAalLSPYSYS
ChainResidueDetails
ATYR105-SER117

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11418763","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ICT","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsModified residue: {"description":"Sulfocysteine","evidences":[{"source":"PubMed","id":"17175208","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2H4E","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsModified residue: {"description":"4-carboxyglutamate; in a patient with Moyamoya disease","evidences":[{"source":"PubMed","id":"18221012","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P02767","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19167329","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P27485","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Omega-N-methylarginine","evidences":[{"source":"UniProtKB","id":"Q00724","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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