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4AY1

Human YKL-39 is a pseudo-chitinase with retained chitooligosaccharide binding properties

Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsESRF BEAMLINE BM14
Synchrotron siteESRF
BeamlineBM14
Temperature [K]100
Detector technologyCCD
DetectorMARMOSAIC 225 mm CCD
Spacegroup nameC 1 2 1
Unit cell lengths255.686, 152.543, 138.186
Unit cell angles90.00, 94.62, 90.00
Refinement procedure
Resolution137.360 - 1.950
R-factor0.19151
Rwork0.191
R-free0.23899
Structure solution methodOTHER
Starting model (for MR)NONE
RMSD bond length0.012
RMSD bond angle1.356
Refinement softwareREFMAC (5.4.0073)
Data quality characteristics
 Overall
Low resolution limit [Å]20.000
High resolution limit [Å]1.950
Rmerge0.060
Number of reflections383206
<I/σ(I)>17.2
Completeness [%]99.6
Redundancy3.4
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1623% PEG 3000, 0.1 M SODIUM CITRATE PH 6

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PDB entries from 2025-07-16

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