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9u7w

Crystal structure of the CYP105D18 double mutant F184A/F191A from Streptomyces laurentii

Method: X-RAY DIFFRACTION D_max: 67.0 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9u7w
deposition_date	2025-03-25
last_revision	2026-04-01
title	Crystal structure of the CYP105D18 double mutant F184A/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	22.14 Å
rg_electron	20.82 Å
i0	31785600.00
molecular_weight	42999.0 kDa
excluded_volume	53669 Å³
envelope_volume	62383 Å³
shell_volume	24477 Å³
envelope_diameter	68.3 Å
shell_rg	27.90 Å
envelope_rg	20.92 Å
shape_rg	20.83 Å
total_rg	21.66 Å
total_atoms	5933
n_residues	389
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	67.0 Å
rg_real	21.97 Å
rg_real_error	0.36 Å
i0_real	3.1790e+07
i0_real_error	3.8250e+05
rg_reciprocal	22.00 Å
i0_reciprocal	31790000.0000
total_estimate	0.9088
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	2
r_peak_primary	28.0 Å
skewness	0.114
kurtosis	-0.536
angular_range	— – 0.3600 Å⁻¹
current_alpha	0.0000
highest_alpha	5284000.0000
n_real_points	68
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.942; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.992

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4. Crystallography & Experiment

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5. Entities & Polymer Info (6)

Entity 1 polymer

description	Cytochrome P450 hydroxylase
formula_weight	44251.1 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	6691

MTEAVAFPQNRSCPYHPPTAYEPLREERPLSRVTLWNGRQVWFVTGHQAARALLGDQRLSTDSTREDFPLPTERSESLRRQRRGALLGWDDPEHNEQRRMLIPSFTLRRAESMRPRIQAIVDRLLDDMIAAGPSAELVGAFALPVPSMVICELLGVPYGDHEFFEEQSRRLLRGPAAEDIEKAARSLEGYAGELIETKRTDPGEGVIDDLVARQREEGRPDDDELVQFATVLLVAGHETTANMISLATYTLLEHPARLAELRADPGLVPAAVEELLRFLSIADGLVRVAREDVPVGDQVIRAGEGVVFPTSLINRDDSVYEHPDTLDWSRSARHHVAFGFGIHQCLGQNLARIELEIALGTLLRRLPGLRLAAPADRIPFKPGDTIQGMLELPVTW

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	6

Entity 4 non-polymer

description	DIMETHYL SULFOXIDE
formula_weight	78.1 kDa
src_method	syn
entity_count	1

Entity 5 non-polymer

description	1,2-ETHANEDIOL
formula_weight	62.1 kDa
src_method	syn
entity_count	2

Entity 6 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	579

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6. Citations (1)

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length_a	91.280 Å
length_b	52.342 Å
length_c	87.673 Å
angle_alpha	90.00 °
angle_beta	110.68 °
angle_gamma	90.00 °
z_pdb	4

space_group	C 1 2 1
int_tables_number	5
crystal_system	—

resolution	1.090 Å
resolution_low	36.770 Å
r_factor	0.1522
r_work	0.1520
r_free	0.1684

fit	/app/data/saxs_computation/u7/9u7w/9u7w.fit
pddf	/app/data/pr_computation/u7/9u7w/9u7w.pr.out
profile	/app/data/saxs_computation/u7/9u7w/9u7w.dat