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9q9k

Cryo-EM structure of human Mre11-Rad50 (MR) complex bound to DNA and telomeric factor TRF2 fragment (438-542)

Method: ELECTRON MICROSCOPY D_max: 160.7 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9q9k
deposition_date	2025-02-26
last_revision	2025-10-01
title	Cryo-EM structure of human Mre11-Rad50 (MR) complex bound to DNA and telomeric factor TRF2 fragment (438-542)
keywords	Mre11-Rad50-TRF2 complex, double-strand DNA break repair protein, nuclease, HYDROLASE; HYDROLASE
method	ELECTRON MICROSCOPY

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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	43.27 Å
rg_electron	43.50 Å
i0	949346000.00
molecular_weight	241710.0 kDa
excluded_volume	297640 Å³
envelope_volume	396810 Å³
shell_volume	76839 Å³
envelope_diameter	172.5 Å
shell_rg	47.55 Å
envelope_rg	43.95 Å
shape_rg	43.53 Å
total_rg	43.56 Å
total_atoms	16904
n_residues	1988
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	160.7 Å
rg_real	43.49 Å
rg_real_error	1.75 Å
i0_real	9.4930e+08
i0_real_error	1.9570e+07
rg_reciprocal	43.27 Å
i0_reciprocal	949100000.0000
total_estimate	0.8057
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	49.1 Å
skewness	0.663
kurtosis	0.509
angular_range	— – 0.1800 Å⁻¹
current_alpha	0.0000
highest_alpha	138700000.0000
n_real_points	37
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.542; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.967; Smooth: 0.878

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4. Crystallography & Experiment

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5. Entities & Polymer Info (10)

Entity 1 polymer

description	Telomeric repeat-binding factor 2
formula_weight	12931.3 kDa
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	J,K
atom_count	16910

GPGGSSGGSSGQPLPGEKNPKVPKGKWNSSNGVEEKETWVEEDELFQVQAAPDEDSTTNITKKQKWTVEESEWVKAGVQKYGEGNWAAISKNYPFVNRTAVMIKDRWRTMKRLGMN

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Trichoplusia ni

Entity 2 polymer

description	DNA (64-MER)
formula_weight	19423.4 kDa
src_method	syn
entity_count	1

Polymer

type	polydeoxyribonucleotide
strand_id	P

TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT

Entity 3 polymer

description	DNA (64-MER)
formula_weight	20000.3 kDa
src_method	syn
entity_count	1

Polymer

type	polydeoxyribonucleotide
strand_id	T

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Entity 4 polymer

description	DNA repair protein RAD50
formula_weight	154150.0 kDa
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	A,B

MSRIEKMSILGVRSFGIEDKDKQIITFFSPLTILVGPNGAGKTTIIECLKYICTGDFPPGTKGNTFVHDPKVAQETDVRAQIRLQFRDVNGELIAVQRSMVCTQKSKKTEFKTLEGVITRTKHGEKVSLSSKCAEIDREMISSLGVSKAVLNNVIFCHQEDSNWPLSEGKALKQKFDEIFSATRYIKALETLRQVRQTQGQKVKEYQMELKYLKQYKEKACEIRDQITSKEAQLTSSKEIVKSYENELDPLKNRLKEIEHNLSKIMKLDNEIKALDSRKKQMEKDNSELEEKMEKVFQGTDEQLNDLYHNHQRTVREKERKLVDCHRELEKLNKESRLLNQEKSELLVEQGRLQLQADRHQEHIRARDSLIQSLATQLELDGFERGPFSERQIKNFHKLVRERQEGEAKTANQLMNDFAEKETLKQKQIDEIRDKKTGLGRIIELKSEILSKKQNELKNVKYELQQLEGSSDRILELDQELIKAERELSKAEKNSNVETLKMEVISLQNEKADLDRTLRKLDQEMEQLNHHTTTRTQMEMLTKDKADKDEQIRKIKSRHSDELTSLLGYFPNKKQLEDWLHSKSKEINQTRDRLAKLNKELASSEQNKNHINNELKRKEEQLSSYEDKLFDVCGSQDFESDLDRLKEEIEKSSKQRAMLAGATAVYSQFITQLTDENQSCCPVCQRVFQTEAELQEVISDLQSKLRLAPDKLKSTESELKKKEKRRDEMLGLVPMRQSIIDLKEKEIPELRNKLQNVNRDIQRLKNDIEEQETLLGTIMPEEESAKVCLTDVTIMERFQMELKDVERKIAQQAAKLQGIDLDRTVQQVNQEKQEKQHKLDTVSSKIELNRKLIQDQQEQIQHLKSTTNELKSEKLQISTNLQRRQQLEEQTVELSTEVQSLYREIKDAKEQVSPLETTLEKFQQEKEELINKKNTSNKIAQDKLNDIKEKVKNIHGYMKDIENYIQDGKDDYKKQKETELNKVIAQLSECEKHKEKINEDMRLMRQDIDTQKIQERWLQDNLTLRKRNEELKEVEEERKQHLKEMGQMQVLQMKSEHQKLEENIDNIKRNHNLALGRQKGYEEEIIHFKKELREPQFRDAEEKYREMMIVMRTTELVNKDLDIYYKTLDQAIMKFHSMKMEEINKIIRDLWRSTYRGQDIEYIEIRSDADENVSASDKRRNYNYRVVMLKGDTALDMRGRCSAGQKVLASLIIRLALAETFCLNCGIIALDEPTTNLDRENIESLAHALVEIIKSRSQQRNFQLLVITHDEDFVELLGRSEYVEKFYRIKKNIDQCSEIVKCSVSSLGFNVH

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Trichoplusia ni

Entity 5 polymer

description	Double-strand break repair protein MRE11
formula_weight	84032.7 kDa
ec_number	3.1.-.-
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	D,E

MSTADALDDENTFKILVATDIHLGFMEKDAVRGNDTFVTLDEILRLAQENEVDFILLGGDLFHENKPSRKTLHTCLELLRKYCMGDRPVQFEILSDQSVNFGFSKFPWVNYQDGNLNISIPVFSIHGNHDDPTGADALCALDILSCAGFVNHFGRSMSVEKIDISPVLLQKGSTKIALYGLGSIPDERLYRMFVNKKVTMLRPKEDENSWFNLFVIHQNRSKHGSTNFIPEQFLDDFIDLVIWGHEHECKIAPTKNEQQLFYISQPGSSVVTSLSPGEAVKKHVGLLRIKGRKMNMHKIPLHTVRQFFMEDIVLANHPDIFNPDNPKVTQAIQSFCLEKIEEMLENAERERLGNSHQPEKPLVRLRVDYSGGFEPFSVLRFSQKFVDRVANPKDIIHFFRHREQKEKTGEEINFGKLITKPSEGTTLRVEDLVKQYFQTAEKNVQLSLLTERGMGEAVQEFVDKEEKDAIEELVKYQLEKTQRFLKERHIDALEDKIDEEVRRFRETRQKNTNEEDDEVREAMTRARALRSQSEESASAFSADDLMSIDLAEQMANDSDDSISAATNKGRGRGRGRRGGRGQNSASRGGSQRGRADTGLETSTRSRNSKTAVSASRNMSIIDAFKSTRQQPSRNVTTKNYSEVIEVDESDVEEDIFPTTSKTDQRWSSTSSSKIMSQSQVSKGVDFESSEDDDDDPFMNTSSLRRNRRSGGSLEVLFQGPDYKDDDDKGTDYKDDDDK

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Trichoplusia ni

Entity 6 non-polymer

description	ADENOSINE-5'-DIPHOSPHATE
formula_weight	427.2 kDa
src_method	syn
entity_count	2

Entity 7 non-polymer

description	MAGNESIUM ION
formula_weight	24.3 kDa
src_method	syn
entity_count	2

Entity 8 non-polymer

description	BERYLLIUM TRIFLUORIDE ION
formula_weight	66.0 kDa
src_method	syn
entity_count	2

Entity 9 non-polymer

description	MANGANESE (II) ION
formula_weight	54.9 kDa
src_method	syn
entity_count	4

Entity 10 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	6

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6. Citations (1)

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resolution	2.59 Å
resolution_method	—
num_particles	274928

fit	/app/data/saxs_computation/q9/9q9k/9q9k.fit
pddf	/app/data/pr_computation/q9/9q9k/9q9k.pr.out
profile	/app/data/saxs_computation/q9/9q9k/9q9k.dat

Cryo-EM structure of human Mre11-Rad50 (MR) complex bound to DNA and telomeric factor TRF2 fragment (438-542)

SAXS Profile

P(r) Distribution

1. Structure Basics

Download Data

2. SAXS Parameters (CRYSOL)

3. P(r) Analysis (GNOM)

4. Crystallography & Experiment

EM 3D

5. Entities & Polymer Info (10)

Entity 1 polymer

Polymer

Source

Entity 2 polymer

Polymer

Entity 3 polymer

Polymer

Entity 4 polymer

Polymer

Source

Entity 5 polymer

Polymer

Source

Entity 6 non-polymer

Entity 7 non-polymer

Entity 8 non-polymer

Entity 9 non-polymer

Entity 10 water

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)