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9xs8

Crystal structure of a cupin protein (tm1459, H52A/H54A/H92A/C106E mutant) in ruthenium(p-cymene) bound form

Method: X-RAY DIFFRACTION D_max: 60.6 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9xs8
deposition_date	2025-11-20
last_revision	2026-04-29
title	Crystal structure of a cupin protein (tm1459, H52A/H54A/H92A/C106E mutant) in ruthenium(p-cymene) bound form
keywords	Artificial metalloenzymes, Biocatalysis, Ruthenium(p-cymene), METAL BINDING PROTEIN; METAL BINDING PROTEIN
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	18.69 Å
rg_electron	17.20 Å
i0	11657900.00
molecular_weight	26211.0 kDa
excluded_volume	33083 Å³
envelope_volume	37101 Å³
shell_volume	17914 Å³
envelope_diameter	59.6 Å
shell_rg	23.44 Å
envelope_rg	17.48 Å
shape_rg	17.19 Å
total_rg	18.21 Å
total_atoms	3650
n_residues	231
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	60.6 Å
rg_real	18.60 Å
rg_real_error	0.22 Å
i0_real	1.1660e+07
i0_real_error	1.0920e+05
rg_reciprocal	18.61 Å
i0_reciprocal	11660000.0000
total_estimate	0.8884
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	24.1 Å
skewness	0.205
kurtosis	-0.358
angular_range	— – 0.4250 Å⁻¹
current_alpha	0.0001
highest_alpha	3063000.0000
n_real_points	74
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.849; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 1.000

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4. Crystallography & Experiment

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5. Entities & Polymer Info (5)

Entity 1 polymer

description	Cupin type-2 domain-containing protein
formula_weight	13252.1 kDa
mutation	H52A/H54A/H92A/C106E
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	A,B
atom_count	3875

GPSGMILKRAYDVTPQKISTDKVRGVRKRVLIGLKDAPNFVMRLFTVEPGGLIDRASAPWEHEIFVLKGKLTVLKEQGEETVEEGFYIFVEPNEIAGFRNDTDSEVEFLELIPKEGGE

Source

organism	Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)
ncbi_taxonomy_id	243274
host_organism	Escherichia coli BL21(DE3)

Entity 2 non-polymer

description	1-methyl-4-(1-methylethyl)benzene
formula_weight	134.2 kDa
src_method	syn
entity_count	1

Entity 3 non-polymer

description	RUTHENIUM ION
formula_weight	101.1 kDa
src_method	syn
entity_count	2

Entity 4 non-polymer

description	2-(N-MORPHOLINO)-ETHANESULFONIC ACID
formula_weight	195.2 kDa
src_method	syn
entity_count	1

Entity 5 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	201

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6. Citations (1)

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length_a	50.810 Å
length_b	57.630 Å
length_c	74.500 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	8

space_group	P 21 21 21
int_tables_number	19
crystal_system	—

resolution	1.265 Å
resolution_low	50.000 Å
r_factor	0.1487
r_work	0.1474
r_free	0.1981

fit	/app/data/saxs_computation/xs/9xs8/9xs8.fit
pddf	/app/data/pr_computation/xs/9xs8/9xs8.pr.out
profile	/app/data/saxs_computation/xs/9xs8/9xs8.dat