Structure of PDB 1rbp Chain A Binding Site BS01

Receptor Information
>1rbp Chain A (length=174) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ERDCRVSSFRVKENFDKARFSGTWYAMAKKDPEGLFLQDNIVAEFSVDET
GQMSATAKGRVRLLNNWDVCADMVGTFTDTEDPAKFKMKYWGVASFLQKG
NDDHWIVDTDYDTYAVQYSCRLLNLDGTCADSYSFVFSRDPNGLPPEAQK
IVRQRQEELCLARQYRLIVHNGYC
Ligand information
Ligand IDRTL
InChIInChI=1S/C20H30O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,21H,7,10,14-15H2,1-5H3/b9-6+,12-11+,16-8+,17-13+
InChIKeyFPIPGXGPPPQFEQ-OVSJKPMPSA-N
SMILES
SoftwareSMILES
CACTVS 3.385CC(=CCO)C=CC=C(C)C=CC1=C(C)CCCC1(C)C
ACDLabs 12.01C1(CCCC(=C1\C=C\C(=C\C=C\C(=C\CO)C)C)C)(C)C
OpenEye OEToolkits 2.0.7CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/CO)/C)/C
OpenEye OEToolkits 2.0.7CC1=C(C(CCC1)(C)C)C=CC(=CC=CC(=CCO)C)C
CACTVS 3.385CC(=C\CO)/C=C/C=C(C)/C=C/C1=C(C)CCCC1(C)C
FormulaC20 H30 O
NameRETINOL
ChEMBLCHEMBL986
DrugBankDB00162
ZINCZINC000003831417
PDB chain1rbp Chain A Residue 183 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1rbp Crystallographic refinement of human serum retinol binding protein at 2A resolution.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		L35 F36 A55 K58 V61 Q98 C174
Binding residue
(residue number reindexed from 1)		L35 F36 A55 K58 V61 Q98 C174
Annotation score4
Binding affinityMOAD: Kd=0.19uM
PDBbind-CN: -logKd/Ki=6.72,Kd=0.19uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005501 retinoid binding
GO:0005515 protein binding
GO:0016918 retinal binding
GO:0019841 retinol binding
GO:0034632 retinol transmembrane transporter activity
Biological Process
GO:0001654 eye development
GO:0002639 positive regulation of immunoglobulin production
GO:0006094 gluconeogenesis
GO:0007507 heart development
GO:0007601 visual perception
GO:0030277 maintenance of gastrointestinal epithelium
GO:0030324 lung development
GO:0032024 positive regulation of insulin secretion
GO:0032526 response to retinoic acid
GO:0034633 retinol transport
GO:0042572 retinol metabolic process
GO:0042593 glucose homeostasis
GO:0048562 embryonic organ morphogenesis
GO:0048706 embryonic skeletal system development
GO:0048738 cardiac muscle tissue development
GO:0048807 female genitalia morphogenesis
GO:0060044 negative regulation of cardiac muscle cell proliferation
GO:0060059 embryonic retina morphogenesis in camera-type eye
GO:0060065 uterus development
GO:0060068 vagina development
GO:0060157 urinary bladder development
GO:0060347 heart trabecula formation
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1rbp, PDBe:1rbp, PDBj:1rbp
PDBsum1rbp
PubMed2217163
UniProtP02753|RET4_HUMAN Retinol-binding protein 4 (Gene Name=RBP4)

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