9QAQ | pdb_00009qaq

Human angiotensin-1 converting enzyme C-domain in complex with perindoprilat

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7Z70

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	289.15	0.1 M MIB pH 4, 5% glycerol, 15% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.484	α = 90
b = 85.119	β = 90
c = 133.829	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	100	PIXEL	DECTRIS EIGER X 16M		2023-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.953731	Diamond	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	1.9	133.83	100	0.066	0.997	8.3	13.2		51757

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.94			0.792	0.45

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	1.9	71.926	51671	2545	99.975	0.171	0.1686	0.1798	0.2221	0.2296	31.602

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]
1.663			-0.542		-1.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	15.609
r_dihedral_angle_3_deg	15.236
r_lrange_it	8.452
r_lrange_other	8.452
r_scangle_it	7.501
r_scangle_other	7.5
r_dihedral_angle_2_deg	7.481
r_dihedral_angle_1_deg	6.261
r_scbond_it	5.302
r_scbond_other	5.301
r_mcangle_it	4.278
r_mcangle_other	4.277
r_mcbond_it	3.419
r_mcbond_other	3.419
r_angle_refined_deg	2.332
r_angle_other_deg	0.751
r_symmetry_nbd_refined	0.27
r_nbd_refined	0.244
r_symmetry_xyhbond_nbd_refined	0.239
r_nbd_other	0.217
r_symmetry_nbd_other	0.211
r_nbtor_refined	0.195
r_xyhbond_nbd_refined	0.155
r_chiral_restr	0.114
r_symmetry_nbtor_other	0.088
r_symmetry_xyhbond_nbd_other	0.071
r_gen_planes_other	0.03
r_bond_refined_d	0.014
r_gen_planes_refined	0.014
r_bond_other_d
r_chiral_restr_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4689
Nucleic Acid Atoms
Solvent Atoms	296
Heterogen Atoms	133

Software

Software
Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
Aimless	data scaling
PHASER	phasing