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9u7x

Crystal structure of the CYP105D18 mutant F191A from Streptomyces laurentii

Method: X-RAY DIFFRACTION D_max: 67.3 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9u7x
deposition_date	2025-03-25
last_revision	2026-04-01
title	Crystal structure of the CYP105D18 mutant F191A from Streptomyces laurentii
keywords	Cytochrome P450, Monooxygenase, Metalloprotein, OXIDOREDUCTASE; OXIDOREDUCTASE
method	X-RAY DIFFRACTION

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Download Data

SAXS curve (.dat) P(r) distribution (.pr.out) Structure (CIF)

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2. SAXS Parameters (CRYSOL)

rg_guinier	22.04 Å
rg_electron	20.74 Å
i0	31654600.00
molecular_weight	43294.0 kDa
excluded_volume	54162 Å³
envelope_volume	62344 Å³
shell_volume	24534 Å³
envelope_diameter	70.2 Å
shell_rg	27.89 Å
envelope_rg	20.85 Å
shape_rg	20.75 Å
total_rg	21.56 Å
total_atoms	3053
n_residues	390
n_harmonics	20
q_range	— – 0.5000 Å⁻¹
n_points	101
shell_type	directional
solvent_density	0.3340 e/Å³
contrast_shell	0.0300 e/Å³
crysol_version	4.1.3

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3. P(r) Analysis (GNOM)

dmax	67.3 Å
rg_real	21.88 Å
rg_real_error	0.30 Å
i0_real	3.1650e+07
i0_real_error	3.7330e+05
rg_reciprocal	21.91 Å
i0_reciprocal	31660000.0000
total_estimate	0.9062
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	2
r_peak_primary	27.1 Å
skewness	0.116
kurtosis	-0.539
angular_range	— – 0.3600 Å⁻¹
current_alpha	0.0000
highest_alpha	5476000.0000
n_real_points	68
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.932; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.990

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	Cytochrome P450 hydroxylase
formula_weight	44327.2 kDa
mutation	F191A
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	3656

MTEAVAFPQNRSCPYHPPTAYEPLREERPLSRVTLWNGRQVWFVTGHQAARALLGDQRLSTDSTREDFPLPTERSESLRRQRRGALLGWDDPEHNEQRRMLIPSFTLRRAESMRPRIQAIVDRLLDDMIAAGPSAELVGAFALPVPSMVICELLGVPYGDHEFFEEQSRRLLRGPAAEDIEKAFRSLEGYAGELIETKRTDPGEGVIDDLVARQREEGRPDDDELVQFATVLLVAGHETTANMISLATYTLLEHPARLAELRADPGLVPAAVEELLRFLSIADGLVRVAREDVPVGDQVIRAGEGVVFPTSLINRDDSVYEHPDTLDWSRSARHHVAFGFGIHQCLGQNLARIELEIALGTLLRRLPGLRLAAPADRIPFKPGDTIQGMLELPVTW

Source

organism	Streptomyces laurentii
ncbi_taxonomy_id	39478
host_organism	Escherichia coli BL21(DE3)

Entity 2 non-polymer

description	PROTOPORPHYRIN IX CONTAINING FE
formula_weight	616.5 kDa
src_method	syn
entity_count	1

Entity 3 non-polymer

description	GLYCEROL
formula_weight	92.1 kDa
src_method	syn
entity_count	7

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	514

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6. Citations (1)

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length_a	91.154 Å
length_b	52.109 Å
length_c	87.412 Å
angle_alpha	90.00 °
angle_beta	110.72 °
angle_gamma	90.00 °
z_pdb	4

space_group	C 1 2 1
int_tables_number	5
crystal_system	—

resolution	1.450 Å
resolution_low	40.880 Å
r_factor	0.1491
r_work	0.1486
r_free	0.1627

fit	/app/data/saxs_computation/u7/9u7x/9u7x.fit
pddf	/app/data/pr_computation/u7/9u7x/9u7x.pr.out
profile	/app/data/saxs_computation/u7/9u7x/9u7x.dat

Crystal structure of the CYP105D18 mutant F191A from Streptomyces laurentii

SAXS Profile

P(r) Distribution

1. Structure Basics

Download Data

2. SAXS Parameters (CRYSOL)

3. P(r) Analysis (GNOM)

4. Crystallography & Experiment

Unit Cell

Symmetry

Refinement

Diffraction