Experiment: 8ZEL

Crystal structure of human cytosolic beta-alanyl lysine dipeptidase Tyr314Phe mutant with a crystal soaked in beta-alanyl ornithine

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7YH4

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	4.6	294	70 mM calcium chloride, 35 mM sodium acetate pH4.6, 7% isopropanol, 15% glycerol, 20mM Tris-Cl, 200 mM NaCl (mixed in 1:1)

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.777	α = 90
b = 112.894	β = 90
c = 123.255	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD		2023-10-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	RRCAT INDUS-2 BEAMLINE PX-BL21	0.987	RRCAT INDUS-2	PX-BL21

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.3	45.03	100	0.102	0.107	0.032	0.999	17.2	11		25710			39.89

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.38	100		1.8	0.589	0.581	1.4	11.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2.3	36.43	1.33	25710	1315	99.89	0.196	0.194	0.1924	0.2323	0.229	50.53

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	4.6478
f_angle_d	0.5368
f_chiral_restr	0.0384
f_plane_restr	0.0044
f_bond_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3012
Nucleic Acid Atoms
Solvent Atoms	98
Heterogen Atoms	23

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing