9QAR | pdb_00009qar

Human angiotensin-1 converting enzyme N-domain in complex with ramiprilat

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7Z6Z

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	289.15	0.1 M Tris/Bicine pH 8.5, 0.06 M Divalent Cations, 30% PEG550MME/PEG20000

Crystal Properties
Matthews coefficient	Solvent content
2.94	58.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.284	α = 88.383
b = 77.814	β = 63.983
c = 83.43	γ = 74.549

Symmetry
Space Group	P 1

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		2023-09-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.953738	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	2	74.61	98.1	0.024	0.998	18.6	3.5		105349

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.03			0.094

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	2	74.608	105346	5267	98.142	0.179	0.1771	0.1845	0.2123	0.2181	32.886

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]
0.276	1.111	0.451	0.563	-0.387	0.231

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	15.426
r_dihedral_angle_3_deg	14.292
r_dihedral_angle_2_deg	9.92
r_dihedral_angle_1_deg	6.436
r_lrange_it	5.77
r_lrange_other	5.77
r_scangle_it	3.845
r_scangle_other	3.844
r_scbond_it	2.523
r_scbond_other	2.523
r_mcangle_it	2.449
r_mcangle_other	2.449
r_angle_refined_deg	1.882
r_mcbond_it	1.619
r_mcbond_other	1.614
r_angle_other_deg	0.682
r_chiral_restr	0.253
r_nbd_other	0.236
r_nbd_refined	0.23
r_symmetry_nbd_refined	0.222
r_nbtor_refined	0.191
r_symmetry_nbd_other	0.19
r_xyhbond_nbd_refined	0.188
r_symmetry_xyhbond_nbd_refined	0.133
r_ncsr_local_group_1	0.1
r_symmetry_nbtor_other	0.083
r_symmetry_xyhbond_nbd_other	0.079
r_bond_refined_d	0.011
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9870
Nucleic Acid Atoms
Solvent Atoms	781
Heterogen Atoms	342

Software

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