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- PDB-9pyf: uPA Inhibitory Fab AB2 Complex -

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Basic information

Entry
Database: PDB / ID: 9pyf
TitleuPA Inhibitory Fab AB2 Complex
Components
  • AB2 Fab Heavy Chain
  • AB2 Fab Light Chain
  • Urokinase-type plasminogen activator
KeywordsPROTEIN BINDING / inhibitory antibody / serine protease / urokinase plasminogen activator / site directed
Function / homology
Function and homology information


u-plasminogen activator / regulation of smooth muscle cell-matrix adhesion / urokinase plasminogen activator signaling pathway / regulation of plasminogen activation / regulation of fibrinolysis / regulation of wound healing / protein complex involved in cell-matrix adhesion / regulation of signaling receptor activity / negative regulation of plasminogen activation / regulation of smooth muscle cell migration ...u-plasminogen activator / regulation of smooth muscle cell-matrix adhesion / urokinase plasminogen activator signaling pathway / regulation of plasminogen activation / regulation of fibrinolysis / regulation of wound healing / protein complex involved in cell-matrix adhesion / regulation of signaling receptor activity / negative regulation of plasminogen activation / regulation of smooth muscle cell migration / serine-type endopeptidase complex / Dissolution of Fibrin Clot / smooth muscle cell migration / plasminogen activation / regulation of cell adhesion mediated by integrin / tertiary granule membrane / negative regulation of fibrinolysis / regulation of cell adhesion / specific granule membrane / serine protease inhibitor complex / fibrinolysis / chemotaxis / blood coagulation / regulation of cell population proliferation / response to hypoxia / positive regulation of cell migration / serine-type endopeptidase activity / external side of plasma membrane / focal adhesion / Neutrophil degranulation / cell surface / signal transduction / proteolysis / extracellular space / extracellular exosome / extracellular region / plasma membrane
Similarity search - Function
Kringle domain / Kringle / Kringle, conserved site / Kringle superfamily / Kringle domain signature. / Kringle domain profile. / Kringle domain / : / Kringle-like fold / EGF-like domain profile. ...Kringle domain / Kringle / Kringle, conserved site / Kringle superfamily / Kringle domain signature. / Kringle domain profile. / Kringle domain / : / Kringle-like fold / EGF-like domain profile. / EGF-like domain signature 1. / EGF-like domain / Serine proteases, trypsin family, histidine active site / Serine proteases, trypsin family, serine active site / Serine proteases, trypsin family, histidine active site. / Peptidase S1A, chymotrypsin family / Serine proteases, trypsin family, serine active site. / Serine proteases, trypsin domain profile. / Trypsin-like serine protease / Serine proteases, trypsin domain / Trypsin / Peptidase S1, PA clan, chymotrypsin-like fold / Peptidase S1, PA clan
Similarity search - Domain/homology
Urokinase-type plasminogen activator
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.9 Å
AuthorsAnderson, K.J. / Bohn, M.F.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: Biochim Biophys Acta Proteins Proteom / Year: 2021
Title: Structure of an affinity-matured inhibitory recombinant fab against urokinase plasminogen activator reveals basis of potency and specificity.
Authors: Sevillano, N. / Bohn, M.F. / Zimanyi, M. / Chen, Y. / Petzold, C. / Gupta, S. / Ralston, C.Y. / Craik, C.S.
History
DepositionAug 7, 2025Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 27, 2025Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: AB2 Fab Light Chain
F: Urokinase-type plasminogen activator
I: AB2 Fab Light Chain
D: AB2 Fab Heavy Chain
H: AB2 Fab Heavy Chain


Theoretical massNumber of molelcules
Total (without water)124,3665
Polymers124,3665
Non-polymers00
Water79344
1
A: AB2 Fab Light Chain
D: AB2 Fab Heavy Chain

F: Urokinase-type plasminogen activator


Theoretical massNumber of molelcules
Total (without water)78,2403
Polymers78,2403
Non-polymers00
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation4_565y,-x+1,z+1/41
2
I: AB2 Fab Light Chain
H: AB2 Fab Heavy Chain


Theoretical massNumber of molelcules
Total (without water)46,1262
Polymers46,1262
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)86.745, 86.745, 172.420
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number78
Space group name H-MP43

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Components

#1: Antibody AB2 Fab Light Chain


Mass: 23666.389 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli BL21(DE3) (bacteria)
#2: Protein Urokinase-type plasminogen activator / U-plasminogen activator / uPA


Mass: 32114.633 Da / Num. of mol.: 1 / Mutation: C122A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PLAU / Production host: Escherichia coli K-12 (bacteria) / References: UniProt: P00749, u-plasminogen activator
#3: Antibody AB2 Fab Heavy Chain


Mass: 22459.205 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli BL21(DE3) (bacteria)
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 44 / Source method: isolated from a natural source / Formula: H2O
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: 2.61 Å3/Da / Density % sol: 52.84 %
Crystal growTemperature: 298.15 K / Method: vapor diffusion
Details: For crystallization purposes, uPA was co-incubated with AB2 in a 1:1 stoichiometric ratio for 1h and co-purified using size-exclusion chromatography. The complex co-eluted was concentrated ...Details: For crystallization purposes, uPA was co-incubated with AB2 in a 1:1 stoichiometric ratio for 1h and co-purified using size-exclusion chromatography. The complex co-eluted was concentrated to 15 mg/mL.Crystallization drops were produced by mixing 0.1 uL of uPA-AB2 solution with 0.1 uL of the respective crystallization solution. A single crystal was produced using a solution containing 0.2 M diammonium hydrogen citrate (Salt) and 20 percent PEG 3350 and incubating the experiment for 14 days at room temperature.

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 8.3.1 / Wavelength: 1.1158 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jun 1, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.1158 Å / Relative weight: 1
ReflectionResolution: 2.9→86.745 Å / Num. obs: 28202 / % possible obs: 93.57 % / Redundancy: 73.1 % / Biso Wilson estimate: 69.5 Å2 / CC1/2: 0.998 / CC star: 0.999 / Net I/σ(I): 10.81
Reflection shellResolution: 2.9→3.004 Å / Redundancy: 34.3 % / Num. unique obs: 2814 / CC1/2: 0.833 / CC star: 0.953 / % possible all: 94.31

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Processing

Software
NameVersionClassification
PHENIX1.11.1_2575refinement
xia2data scaling
xia2data reduction
PHENIXphasing
PDB_EXTRACTdata extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.9→86.745 Å / SU ML: 0.56 / Cross valid method: FREE R-VALUE / σ(F): 1.33 / Phase error: 36.73 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2998 1270 4.81 %
Rwork0.2278 --
obs0.2313 26386 93.56 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.9→86.745 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7600 0 0 44 7644
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0117767
X-RAY DIFFRACTIONf_angle_d1.39410472
X-RAY DIFFRACTIONf_dihedral_angle_d18.5734336
X-RAY DIFFRACTIONf_chiral_restr0.0671048
X-RAY DIFFRACTIONf_plane_restr0.0081417
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.9002-3.01630.47021460.39622790X-RAY DIFFRACTION94
3.0163-3.15360.50451210.37432653X-RAY DIFFRACTION89
3.1536-3.31990.35761410.29822805X-RAY DIFFRACTION94
3.3199-3.52790.3541460.27062784X-RAY DIFFRACTION94
3.5279-3.80030.34121340.25882765X-RAY DIFFRACTION93
3.8003-4.18270.30821190.23862656X-RAY DIFFRACTION89
4.1827-4.78790.23851470.18252796X-RAY DIFFRACTION94
4.7879-6.0320.27451660.19072864X-RAY DIFFRACTION96
6.032-86.7450.25021500.18243003X-RAY DIFFRACTION99
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
11.1316-0.43450.82560.13150.1612.92570.09410.21850.196-0.1913-0.2776-0.1055-0.01920.56120.00020.45070.0650.00290.48090.04590.46144.285377.644515.2259
20.7854-0.94620.33090.2098-0.29452.4622-0.04110.2343-0.23730.36330.03020.13490.01170.18370.00030.3290.04270.08290.32610.08930.406824.491584.591-15.6357
32.57610.6515-0.09310.0891-0.49131.47530.11210.40250.1739-0.2206-0.15040.10310.3710.36220.00010.41230.07890.02820.56880.04230.472827.172585.8976-17.9495
40.5098-0.43880.37150.5602-0.17510.19130.3934-0.2482-0.1220.3024-0.2249-0.042-0.1107-0.01420.01290.73270.06790.06440.4070.02630.561222.216854.90644.5198
52.93550.44940.44482.23130.99581.0780.0906-0.1036-0.08770.3398-0.02-0.29510.0010.1465-0.00010.5831-0.0023-0.01040.33020.03320.363422.869445.28586.6541
61.60430.2103-0.84092.60560.46483.35080.0182-0.1586-0.12990.2988-0.24010.040.10270.0131-0.00020.57060.0210.07750.33990.02330.4198.123746.51754.7804
70.6187-0.1602-0.39130.2932-0.09060.23570.59540.1421-0.23520.5198-0.47340.0375-0.2922-0.34660.00411.6811-0.0738-0.2721.0344-0.03581.482961.5015128.62893.4092
80.0597-0.1628-0.06150.33590.00790.6312.36570.59341.58490.7345-0.24450.4114-1.5190.71640.07121.54130.23240.05011.34480.26331.822847.9556131.5789-5.728
90.448-0.2982-0.25720.3290.47530.6240.7918-1.177-0.4869-0.1181-0.1959-1.2414-0.43080.64390.00141.12-0.1443-0.28820.98510.25871.587649.383126.97518.1472
100.4163-0.33270.21730.30670.00590.27491.87170.1625-0.60730.8828-0.2265-0.07430.9838-0.841-0.02441.9712-0.64830.05941.47970.16781.607656.2179131.83559.9625
11-0.01190.03950.03340.02560.11110.06410.29780.5722-1.3176-0.1331-0.9145-0.29280.03360.2922-0.00181.26440.0016-0.36010.9887-0.02371.607551.83121.4552-1.3995
122.6432-0.6965-1.00370.19810.20120.2712-0.07681.20830.8275-0.0675-0.4343-0.8543-0.1511-0.08320.17961.153-0.5556-0.41390.372-0.08861.952370.9148118.45820.2374
13-0.00470.0060.18840.0640.04330.87550.452-0.25630.85410.4214-0.2536-1.56842.27971.21150.07022.0335-0.4193-0.03091.43080.51011.894277.0555103.847423.5028
140.1734-0.1178-0.24430.2580.45740.51410.9638-1.0821-0.575-0.23060.17980.2072-0.34311.33030.00170.8945-0.013-0.07111.4725-0.24571.736575.6928108.065419.1594
151.18390.44712.27581.17830.6234.55151.8281-0.17330.457-0.28081.079-0.58480.42131.48650.74061.0728-0.09310.76471.4844-0.2113.272384.8298103.237225.6571
160.15650.1444-0.43220.84950.20591.8144-0.689-0.1338-0.09060.8638-0.10810.1590.82780.3419-0.03320.9227-0.7450.56551.3977-0.0451.766882.6142106.267932.6593
172.5283-0.86781.19191.9661-1.57811.26090.0543-0.18290.05140.1887-0.16960.0596-0.302-0.3785-00.420.1138-0.03220.5715-0.16250.438824.343286.271522.658
18-0.0334-0.0777-0.05510.3111-0.43620.68670.34170.11450.32820.03150.0613-0.20990.42320.3318-0.00070.59440.0060.02850.5651-0.02970.487917.669275.8608-16.003
191.6028-0.36450.05172.6189-1.00541.5977-0.2367-0.10230.08180.43870.24980.1740.2793-0.21430.00030.34650.06730.05140.2884-0.00480.334117.411179.5145-4.3895
200.68760.3601-0.1280.4511-0.690.82120.8097-0.14-0.6347-0.6764-0.6749-0.1269-0.34920.2681-0.00011.2822-0.0598-0.37750.94760.26551.540941.6804105.06696.0975
210.23660.0008-0.39870.0032-0.02040.6415-1.4531-0.16540.1908-0.55170.03-0.38021.64030.4474-0.13691.5601-0.0563-1.00651.28260.43492.295553.0571111.40040.2918
220.1425-0.0879-0.08820.09750.01660.06730.2657-0.1108-1.03240.1222-0.88850.3598-0.8353-2.52670.00311.53970.3102-0.57531.5027-0.44881.438633.8196113.22-4.1136
230.0218-0.02810.02670.0047-0.02610.0219-0.076-0.3015-1.0337-0.23671.1518-0.54110.28250.055-0.00181.1476-0.1768-0.05830.8989-0.04872.043946.0044107.481-9.5754
242.7727-0.8891-1.05910.33450.69791.22570.06770.1914-3.08381.76050.1038-0.64431.40550.8352-0.15821.02110.1954-0.51620.85570.12641.880643.3386102.8290.0254
251.4523-0.6107-0.06130.37550.22430.3454-0.6383-1.1662-1.0382-0.34551.1486-0.41031.657-0.04830.12641.72-0.1194-0.57320.79620.31461.733446.4523111.89276.9719
260.21160.25880.16680.02210.07021.65410.6728-0.13010.55170.33381.85620.1470.6976-0.79020.17461.8691-0.0096-0.6820.89990.10552.314965.676696.629419.8538
270.446-0.1201-0.17760.1121-0.04210.125-0.597-0.5825-0.07011.7533-0.61990.6735-1.2924-0.2864-0.00082.2297-0.1237-0.47231.3249-0.17311.265366.7808102.725625.8618
280.1088-0.05380.07080.0139-0.02470.059-1.1036-2.18210.37712.3025-0.25880.5437-0.5155-0.748-0.00532.1848-0.1922-0.07331.7308-0.15721.266159.633106.740225.091
290.2980.302-0.01690.3296-0.0420.04170.7211-0.29740.1461-0.2585-0.4108-0.38820.82640.2025-0.01931.61510.0875-0.08531.0821-0.65533.97669.298897.162611.6175
301.044-0.02160.42930.01110.07020.38460.8247-3.78230.61492.5447-0.6057-0.1967-0.764-0.44530.00083.408-0.59120.24141.8872-0.55631.352664.1378106.126635.1908
314.1699-1.9745-2.31124.0159-0.6572.33440.3732.04760.4197-1.9297-0.21380.05780.0298-0.68970.13621.1969-1.4017-0.07510.43030.01121.187658.591395.84224.7806
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 1 through 118 )
2X-RAY DIFFRACTION2chain 'A' and (resid 119 through 155 )
3X-RAY DIFFRACTION3chain 'A' and (resid 156 through 218 )
4X-RAY DIFFRACTION4chain 'F' and (resid 16 through 37D)
5X-RAY DIFFRACTION5chain 'F' and (resid 38 through 140 )
6X-RAY DIFFRACTION6chain 'F' and (resid 141 through 244 )
7X-RAY DIFFRACTION7chain 'I' and (resid 1 through 18 )
8X-RAY DIFFRACTION8chain 'I' and (resid 19 through 37 )
9X-RAY DIFFRACTION9chain 'I' and (resid 38 through 73 )
10X-RAY DIFFRACTION10chain 'I' and (resid 74 through 88 )
11X-RAY DIFFRACTION11chain 'I' and (resid 89 through 106 )
12X-RAY DIFFRACTION12chain 'I' and (resid 107 through 125 )
13X-RAY DIFFRACTION13chain 'I' and (resid 126 through 155 )
14X-RAY DIFFRACTION14chain 'I' and (resid 156 through 187 )
15X-RAY DIFFRACTION15chain 'I' and (resid 188 through 206 )
16X-RAY DIFFRACTION16chain 'I' and (resid 207 through 218 )
17X-RAY DIFFRACTION17chain 'D' and (resid 2 through 121 )
18X-RAY DIFFRACTION18chain 'D' and (resid 122 through 136 )
19X-RAY DIFFRACTION19chain 'D' and (resid 137 through 215 )
20X-RAY DIFFRACTION20chain 'H' and (resid 2 through 34 )
21X-RAY DIFFRACTION21chain 'H' and (resid 35 through 47 )
22X-RAY DIFFRACTION22chain 'H' and (resid 48 through 58 )
23X-RAY DIFFRACTION23chain 'H' and (resid 59 through 69 )
24X-RAY DIFFRACTION24chain 'H' and (resid 70 through 94 )
25X-RAY DIFFRACTION25chain 'H' and (resid 95 through 112 )
26X-RAY DIFFRACTION26chain 'H' and (resid 113 through 133 )
27X-RAY DIFFRACTION27chain 'H' and (resid 134 through 150 )
28X-RAY DIFFRACTION28chain 'H' and (resid 151 through 170 )
29X-RAY DIFFRACTION29chain 'H' and (resid 171 through 180 )
30X-RAY DIFFRACTION30chain 'H' and (resid 181 through 198 )
31X-RAY DIFFRACTION31chain 'H' and (resid 199 through 215 )

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