9AWS

Crystal structure of trypsin at 275 Kelvin with benzamidine (triplicate)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1S0R

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9.4	298	0.2 M Potassium phosphate dibasic, 20% w/v Polyethylene glycol 3,350.

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.532	α = 90
b = 58.82	β = 90
c = 67.803	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	275	PIXEL	Bruker PHOTON II		2023-11-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER X8 PROTEUM	1.54184

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.497	24.195	97.24	0.714	4.78	10		34873

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	24.18			0.714

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.497	24.195	34873	1625	97.269	0.254	0.2523	0.2567	0.2852	0.2893	16.182

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]
0.136			0.681		-0.817

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	14.113
r_dihedral_angle_3_deg	12.736
r_dihedral_angle_2_deg	9.199
r_dihedral_angle_1_deg	7.132
r_lrange_it	5.567
r_lrange_other	5.391
r_scangle_it	3.909
r_scangle_other	3.909
r_scbond_it	2.541
r_scbond_other	2.54
r_mcangle_it	2.424
r_mcangle_other	2.423
r_angle_refined_deg	1.604
r_mcbond_it	1.585
r_mcbond_other	1.583
r_dihedral_angle_other_2_deg	0.881
r_angle_other_deg	0.56
r_xyhbond_nbd_refined	0.342
r_nbd_other	0.252
r_symmetry_xyhbond_nbd_refined	0.23
r_nbd_refined	0.207
r_symmetry_nbd_other	0.196
r_nbtor_refined	0.172
r_symmetry_nbd_refined	0.171
r_metal_ion_refined	0.152
r_symmetry_nbtor_other	0.084
r_chiral_restr	0.075
r_symmetry_xyhbond_nbd_other	0.074
r_gen_planes_refined	0.009
r_bond_refined_d	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1629
Nucleic Acid Atoms
Solvent Atoms	160
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
PROTEUM PLUS	data reduction
PROTEUM PLUS	data scaling
MOLREP	phasing