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9q9j

Cryo-EM structure of human Mre11-Rad50-Nbs1 (MRN) complex bound to DNA and telomeric factor TRF2 fragment (438-542)

Method: ELECTRON MICROSCOPY D_max: 163.2 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9q9j
deposition_date	2025-02-26
last_revision	2025-10-01
title	Cryo-EM structure of human Mre11-Rad50-Nbs1 (MRN) complex bound to DNA and telomeric factor TRF2 fragment (438-542)
keywords	Mre11-Rad50-Nbs1 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	43.80 Å
rg_electron	44.07 Å
i0	997932000.00
molecular_weight	249190.0 kDa
excluded_volume	307400 Å³
envelope_volume	413570 Å³
shell_volume	78851 Å³
envelope_diameter	173.9 Å
shell_rg	48.05 Å
envelope_rg	44.58 Å
shape_rg	44.10 Å
total_rg	44.13 Å
total_atoms	17435
n_residues	2056
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	163.2 Å
rg_real	44.01 Å
rg_real_error	1.87 Å
i0_real	9.9790e+08
i0_real_error	1.9960e+07
rg_reciprocal	43.80 Å
i0_reciprocal	997700000.0000
total_estimate	0.8073
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	49.9 Å
skewness	0.654
kurtosis	0.490
angular_range	— – 0.1800 Å⁻¹
current_alpha	0.0000
highest_alpha	151800000.0000
n_real_points	37
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.536; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.966; Smooth: 0.917

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4. Crystallography & Experiment

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5. Entities & Polymer Info (11)

Entity 1 polymer

description	Telomeric repeat-binding factor 2
formula_weight	12931.3 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	J
atom_count	17465

GPGGSSGGSSGQPLPGEKNPKVPKGKWNSSNGVEEKETWVEEDELFQVQAAPDEDSTTNITKKQKWTVEESEWVKAGVQKYGEGNWAAISKNYPFVNRTAVMIKDRWRTMKRLGMN

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Escherichia coli

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	Nibrin
formula_weight	85073.0 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	F

MWKLLPAAGPAGGEPYRLLTGVEYVVGRKNCAILIENDQSISRNHAVLTANFSVTNLSQTDEIPVLTLKDNSKYGTFVNEEKMQNGFSRTLKSGDGITFGVFGSKFRIEYEPLVACSSCLDVSGKTALNQAILQLGGFTVNNWTEECTHLVMVSVKVTIKTICALICGRPIVKPEYFTEFLKAVESKKQPPQIESFYPPLDEPSIGSKNVDLSGRQERKQIFKGKTFIFLNAKQHKKLSSAVVFGGGEARLITEENEEEHNFFLAPGTCVVDTGITNSQTLIPDCQKKWIQSIMDMLQRQGLRPIPEAEIGLAVIFMTTKNYCDPQGHPSTGLKTTTPGPSLSQGVSVDEKLMPSAPVNTTTYVADTESEQADTWDLSERPKEIKVSKMEQKFRMLSQDAPTVKESCKTSSNNNSMVSNTLAKMRIPNYQLSPTKLPSINKSKDRASQQQQTNSIRNYFQPSTKKRERDEENQEMSSCKSARIETSCSLLEQTQPATPSLWKNKEQHLSENEPVDTNSDNNLFTDTDLKSIVKNSASKSHAAEKLRSNKKREMDDVAIEDEVLEQLFKDTKPELEIDVKVQKQEEDVNVRKRPRMDIETNDTFSDEAVPESSKISQENEIGKKRELKEDSLWSAKEISNNDKLQDDSEMLPKKLLLTEFRSLVIKNSTSRNPSGINDDYGQLKNFKKFKKVTYPGAGKLPHIIGGSDLIAHHARKNTELEEWLRQEMEVQNQHAKEESLADDLFRYNPYLKRRR

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Trichoplusia ni

Entity 5 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 6 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 7 non-polymer

description	MAGNESIUM ION
formula_weight	24.3 kDa
src_method	syn
entity_count	2

Entity 8 non-polymer

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

Entity 9 non-polymer

description	BERYLLIUM TRIFLUORIDE ION
formula_weight	66.0 kDa
src_method	syn
entity_count	2

Entity 10 non-polymer

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

Entity 11 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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length_a	1.000 Å
length_b	1.000 Å
length_c	1.000 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	—

space_group	P 1
int_tables_number	1
crystal_system	—

resolution	2.71 Å
resolution_method	—
num_particles	129300

fit	/app/data/saxs_computation/q9/9q9j/9q9j.fit
pddf	/app/data/pr_computation/q9/9q9j/9q9j.pr.out
profile	/app/data/saxs_computation/q9/9q9j/9q9j.dat

Cryo-EM structure of human Mre11-Rad50-Nbs1 (MRN) 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

Unit Cell

Symmetry

EM 3D

5. Entities & Polymer Info (11)

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 polymer

Polymer

Source

Entity 7 non-polymer

Entity 8 non-polymer

Entity 9 non-polymer

Entity 10 non-polymer

Entity 11 water

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)