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- PDB-8cgp: Insulin regulated aminopeptidase (IRAP) in complex with an allost... -

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Basic information

Entry
Database: PDB / ID: 8cgp
TitleInsulin regulated aminopeptidase (IRAP) in complex with an allosteric aryl sulfonamide inhibitor
ComponentsLeucyl-cystinyl aminopeptidase, pregnancy serum form
KeywordsHYDROLASE / insulin-regulated aminopeptidase / allosteric inhibitor / aryl sulfonamides / antigen presentation
Function / homology
Function and homology information


cystinyl aminopeptidase / antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-independent / negative regulation of cold-induced thermogenesis / peptide catabolic process / metalloaminopeptidase activity / aminopeptidase activity / early endosome lumen / Translocation of SLC2A4 (GLUT4) to the plasma membrane / female pregnancy / Endosomal/Vacuolar pathway ...cystinyl aminopeptidase / antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-independent / negative regulation of cold-induced thermogenesis / peptide catabolic process / metalloaminopeptidase activity / aminopeptidase activity / early endosome lumen / Translocation of SLC2A4 (GLUT4) to the plasma membrane / female pregnancy / Endosomal/Vacuolar pathway / peptide binding / cytoplasmic vesicle membrane / protein catabolic process / regulation of blood pressure / protein polyubiquitination / metallopeptidase activity / Antigen processing: Ubiquitination & Proteasome degradation / cell-cell signaling / lysosomal membrane / perinuclear region of cytoplasm / proteolysis / extracellular space / zinc ion binding / membrane / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Aminopeptidase N-type / ERAP1-like C-terminal domain / ERAP1-like C-terminal domain / : / Peptidase M1, alanine aminopeptidase/leukotriene A4 hydrolase / Peptidase M1, membrane alanine aminopeptidase / Aminopeptidase N-like , N-terminal domain / Peptidase family M1 domain / Peptidase M1 N-terminal domain / Aminopeptidase N-like , N-terminal domain superfamliy ...Aminopeptidase N-type / ERAP1-like C-terminal domain / ERAP1-like C-terminal domain / : / Peptidase M1, alanine aminopeptidase/leukotriene A4 hydrolase / Peptidase M1, membrane alanine aminopeptidase / Aminopeptidase N-like , N-terminal domain / Peptidase family M1 domain / Peptidase M1 N-terminal domain / Aminopeptidase N-like , N-terminal domain superfamliy / Peptidase M4/M1, CTD superfamily / Neutral zinc metallopeptidases, zinc-binding region signature.
Similarity search - Domain/homology
D-MALATE / DI(HYDROXYETHYL)ETHER / Chem-UKG / Leucyl-cystinyl aminopeptidase
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.62 Å
AuthorsMpakali, A. / Stratikos, E. / Giastas, P.
Funding supportEuropean Union, 1items
OrganizationGrant numberCountry
European Union (EU)European Union
CitationJournal: J.Mol.Biol. / Year: 2024
Title: Mechanisms of Allosteric Inhibition of Insulin-Regulated Aminopeptidase.
Authors: Mpakali, A. / Barla, I. / Lu, L. / Ramesh, K.M. / Thomaidis, N. / Stern, L.J. / Giastas, P. / Stratikos, E.
History
DepositionFeb 6, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jan 31, 2024Provider: repository / Type: Initial release
Revision 1.1Feb 14, 2024Group: Database references / Category: citation / Item: _citation.journal_volume / _citation.title
Revision 1.2Nov 20, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Leucyl-cystinyl aminopeptidase, pregnancy serum form
B: Leucyl-cystinyl aminopeptidase, pregnancy serum form
hetero molecules


Theoretical massNumber of molelcules
Total (without water)215,83940
Polymers200,7962
Non-polymers15,04238
Water3,819212
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A: Leucyl-cystinyl aminopeptidase, pregnancy serum form
hetero molecules


Theoretical massNumber of molelcules
Total (without water)108,00221
Polymers100,3981
Non-polymers7,60420
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Leucyl-cystinyl aminopeptidase, pregnancy serum form
hetero molecules


Theoretical massNumber of molelcules
Total (without water)107,83719
Polymers100,3981
Non-polymers7,43918
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)73.443, 119.074, 141.643
Angle α, β, γ (deg.)90.000, 102.770, 90.000
Int Tables number4
Space group name H-MP1211
Space group name HallP2yb
Symmetry operation#1: x,y,z
#2: -x,y+1/2,-z

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Leucyl-cystinyl aminopeptidase, pregnancy serum form


Mass: 100398.203 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: LNPEP, OTASE / Production host: Homo sapiens (human) / References: UniProt: Q9UIQ6, cystinyl aminopeptidase

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Sugars , 8 types, 26 molecules

#2: Polysaccharide alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-beta-D- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 1072.964 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-3[DManpa1-6]DManpa1-6DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,6,5/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3-3/a4-b1_b4-c1_c6-d1_d3-e1_d6-f1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(6+1)][a-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#3: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 9 / Source method: obtained synthetically
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#4: Polysaccharide alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 910.823 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-6DManpa1-6DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,5,4/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3/a4-b1_b4-c1_c6-d1_d6-e1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(6+1)][a-D-Manp]{[(6+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#5: Polysaccharide alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 910.823 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-3[DManpa1-6]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,5,4/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3/a4-b1_b4-c1_c3-d1_c6-e1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{}}}}LINUCSPDB-CARE
#6: Polysaccharide
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}LINUCSPDB-CARE
#7: Polysaccharide alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D- ...alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 1072.964 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-6DManpa1-6[DManpa1-3]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,6,5/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3-3/a4-b1_b4-c1_c3-d1_c6-e1_e6-f1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{[(6+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#8: Polysaccharide alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D- ...alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 1072.964 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-3DManpa1-6[DManpa1-3]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,6,5/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3-3/a4-b1_b4-c1_c3-d1_c6-e1_e3-f1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{[(3+1)][a-D-Manp]{}}}}}LINUCSPDB-CARE
#9: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 6 types, 224 molecules

#10: Chemical ChemComp-MLT / D-MALATE / (2R)-2-HYDROXYBUTANEDIOIC ACID / 2-HYDROXY-SUCCINIC ACID


Mass: 134.087 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C4H6O5
#11: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: Zn
#12: Chemical ChemComp-UKG / 4-bromanyl-5-chloranyl-~{N}-[3-(1~{H}-1,2,3,4-tetrazol-5-yl)phenyl]thiophene-2-sulfonamide


Mass: 420.693 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C11H7BrClN5O2S2 / Feature type: SUBJECT OF INVESTIGATION
#13: Chemical ChemComp-PEG / DI(HYDROXYETHYL)ETHER


Mass: 106.120 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H10O3
#14: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H6O2
#15: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 212 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.02 Å3/Da / Density % sol: 59.25 %
Crystal growTemperature: 278.15 K / Method: vapor diffusion, sitting drop / pH: 5
Details: 0.1M MMT (Malic acid, MES, Tris) 25% w/v PEG 1500 20% EG

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: PETRA III, EMBL c/o DESY / Beamline: P13 (MX1) / Wavelength: 0.9763 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Aug 11, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9763 Å / Relative weight: 1
ReflectionResolution: 2.6→45.79 Å / Num. obs: 65118 / % possible obs: 90.11 % / Redundancy: 1.9 % / Biso Wilson estimate: 43.96 Å2 / CC1/2: 0.987 / Rmerge(I) obs: 0.08501 / Rpim(I) all: 0.08501 / Rrim(I) all: 0.1202 / Net I/σ(I): 7.95
Reflection shellResolution: 2.62→2.72 Å / Redundancy: 1.9 % / Mean I/σ(I) obs: 1.6 / Num. unique obs: 3597 / CC1/2: 0.445 / % possible all: 54.33

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Processing

Software
NameVersionClassification
PHENIX1.17.1_3660refinement
PHENIX1.17.1_3660refinement
XDSdata reduction
STARANISOdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.62→45.79 Å / Cross valid method: FREE R-VALUE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.231 3231 -
Rwork0.1695 --
all-65118 -
obs-65093 88.99 %
Displacement parametersBiso mean: 46.43 Å2
Refinement stepCycle: LAST / Resolution: 2.62→45.79 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13874 0 1004 212 15090
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.009715297
X-RAY DIFFRACTIONf_angle_d1.068120745
X-RAY DIFFRACTIONf_chiral_restr0.06222502
X-RAY DIFFRACTIONf_plane_restr0.00572490
X-RAY DIFFRACTIONf_dihedral_angle_d19.79385693
LS refinement shellResolution: 2.62→2.72 Å
RfactorNum. reflection
Rfree0.3708 204
Rwork0.2775 -
all-3597
obs-3595
Refinement TLS params.Method: refined / Origin x: -0.16298840118 Å / Origin y: -24.4731330002 Å / Origin z: 37.7414181419 Å
111213212223313233
T0.103917754 Å20.01224424 Å2-0.007730348 Å2-0.100069645 Å20.030568841 Å2--0.123583446 Å2
L0.223538312 °20.035481414 °2-0.062495435 °2-0.129964344 °20.038574518 °2--0.252351465 °2
S-0.011374992 Å °0.069451 Å °0.046369907 Å °0.005573614 Å °0.016235597 Å °-0.003899535 Å °0.00313831 Å °0.017030368 Å °0.003755757 Å °
Refinement TLS groupSelection details: all

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