Structure of PDB 1x70 Chain B Binding Site BS01

Receptor Information

>1x70 Chain B (length=728) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

TRKTYTLTDYLKNTYRLKLYSLRWISDHEYLYKQENNILVFNAEYGNSSV
FLENSTFDEFGHSINDYSISPDGQFILLEYNYVKQWRHSYTASYDIYDLN
KRQLITEERIPNNTQWVTWSPVGHKLAYVWNNDIYVKIEPNLPSYRITWT
GKEDIIYNGITDWVYEEEVFSAYSALWWSPNGTFLAYAQFNDTEVPLIEY
SFYSDESLQYPKTVRVPYPKAGAVNPTVKFFVVNTDSLSSVTNATSIQIT
APASMLIGDHYLCDVTWATQERISLQWLRRIQNYSVMDICDYDESSGRWN
CLVARQHIEMSTTGWVGRFRPSEPHFTLDGNSFYKIISNEEGYRHICYFQ
IDKKDCTFITKGTWEVIGIEALTSDYLYYISNEYKGMPGGRNLYKIQLSD
YTKVTCLSCELNPERCQYYSVSFSKEAKYYQLRCSGPGLPLYTLHSSVND
KGLRVLEDNSALDKMLQNVQMPSKKLDFIILNETKFWYQMILPPHFDKSK
KYPLLLDVYAGPCSQKADTVFRLNWATYLASTENIIVASFDGRGSGYQGD
KIMHAINRRLGTFEVEDQIEAARQFSKMGFVDNKRIAIWGWSYGGYVTSM
VLGSGSGVFKCGIAVAPVSRWEYYDSVYTERYMGLPTPEDNLDHYRNSTV
MSRAENFKQVEYLLIHGTADDNVHFQQSAQISKALVDVGVDFQAMWYTDE
DHGIASSTAHQHIYTHMSHFIKQCFSLP

Ligand information

Ligand ID

715

InChI

InChI=1S/C16H15F6N5O/c17-10-6-12(19)11(18)4-8(10)3-9(23)5-14(28)26-1-2-27-13(7-26)24-25-15(27)16(20,21)22/h4,6,9H,1-3,5,7,23H2/t9-/m1/s1

InChIKey

MFFMDFFZMYYVKS-SECBINFHSA-N

SMILES

Software	SMILES
CACTVS 3.341	N[C@@H](CC(=O)N1CCn2c(C1)nnc2C(F)(F)F)Cc3cc(F)c(F)cc3F
ACDLabs 10.04	Fc1cc(c(F)cc1F)CC(N)CC(=O)N3Cc2nnc(n2CC3)C(F)(F)F
OpenEye OEToolkits 1.5.0	c1c(c(cc(c1F)F)F)CC(CC(=O)N2CCn3c(nnc3C(F)(F)F)C2)N
CACTVS 3.341	N[CH](CC(=O)N1CCn2c(C1)nnc2C(F)(F)F)Cc3cc(F)c(F)cc3F
OpenEye OEToolkits 1.5.0	c1c(c(cc(c1F)F)F)C[C@H](CC(=O)N2CCn3c(nnc3C(F)(F)F)C2)N

Formula

C16 H15 F6 N5 O

Name

(2R)-4-OXO-4-[3-(TRIFLUOROMETHYL)-5,6-DIHYDRO[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL]-1-(2,4,5-TRIFLUOROPHENYL)BUTAN-2-A MINE;
Sitagliptin

PDB chain

1x70 Chain B Residue 801 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

Global view

Local view

Structure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]

PDB	1x70 (2R)-4-Oxo-4-[3-(Trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin- 7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine: A Potent, Orally Active Dipeptidyl Peptidase IV Inhibitor for the Treatment of Type 2 Diabetes
Resolution	2.1 Å
Binding residue (original residue number in PDB)	E205 E206 S209 F357 R358 S630 Y662 Y666 N710 V711
Binding residue (residue number reindexed from 1)	E167 E168 S171 F319 R320 S592 Y624 Y628 N672 V673
Annotation score	1
Binding affinity	MOAD: ic50=18nM BindingDB: IC50=18nM,Kd=1.3nM

Enzymatic activity

Catalytic site (original residue number in PDB)	Y547 S630 Y631 D708 H740
Catalytic site (residue number reindexed from 1)	Y509 S592 Y593 D670 H702
Enzyme Commision number	3.4.14.5: dipeptidyl-peptidase IV.

Gene Ontology

	Molecular Function
GO:0001618	virus receptor activity
GO:0002020	protease binding
GO:0004177	aminopeptidase activity
GO:0004252	serine-type endopeptidase activity
GO:0005102	signaling receptor binding
GO:0005515	protein binding
GO:0008236	serine-type peptidase activity
GO:0008239	dipeptidyl-peptidase activity
GO:0042802	identical protein binding
GO:0042803	protein homodimerization activity
GO:0045499	chemorepellent activity

	Biological Process
GO:0001662	behavioral fear response
GO:0001666	response to hypoxia
GO:0006508	proteolysis
GO:0007155	cell adhesion
GO:0008284	positive regulation of cell population proliferation
GO:0010716	negative regulation of extracellular matrix disassembly
GO:0016486	peptide hormone processing
GO:0019065	receptor-mediated endocytosis of virus by host cell
GO:0031295	T cell costimulation
GO:0033632	regulation of cell-cell adhesion mediated by integrin
GO:0035641	locomotory exploration behavior
GO:0036343	psychomotor behavior
GO:0042110	T cell activation
GO:0043542	endothelial cell migration
GO:0046718	symbiont entry into host cell
GO:0046813	receptor-mediated virion attachment to host cell
GO:0050919	negative chemotaxis
GO:0061025	membrane fusion
GO:0090024	negative regulation of neutrophil chemotaxis
GO:0120116	glucagon processing

	Cellular Component
GO:0005576	extracellular region
GO:0005765	lysosomal membrane
GO:0005886	plasma membrane
GO:0005925	focal adhesion
GO:0009986	cell surface
GO:0016020	membrane
GO:0016324	apical plasma membrane
GO:0030027	lamellipodium
GO:0030139	endocytic vesicle
GO:0031258	lamellipodium membrane
GO:0042995	cell projection
GO:0045121	membrane raft
GO:0046581	intercellular canaliculus
GO:0070062	extracellular exosome
GO:0070161	anchoring junction

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component

External links

PDB	RCSB:1x70, PDBe:1x70, PDBj:1x70
PDBsum	1x70
PubMed	15634008
UniProt	P27487\|DPP4_HUMAN Dipeptidyl peptidase 4 (Gene Name=DPP4)

[Back to BioLiP]