9mp0

The cryo-EM structure of the human DNA methyltransferases DNMT3A2 and DNMT3L dodecamer

Method: ELECTRON MICROSCOPY D_max: 246.9 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

下载 Download SAXS (.dat) P(r) (.pr.out) CIF

▼

1. 结构基本信息 1. Structure Basics

条目编号 entry_id	9mp0
沉积日期 deposition_date	2024-12-29
结构标题 title	The cryo-EM structure of the human DNA methyltransferases DNMT3A2 and DNMT3L dodecamer
关键词 keywords	methyltransferase, dodecamer, TRANSFERASE, TRANSFERASE-DNA complex, DNA BINDING PROTEIN; DNA BINDING PROTEIN
实验方法 method	ELECTRON MICROSCOPY

▼

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier	69.49 Å
回转半径 Rg (电子) rg_electron	69.63 Å
零角强度 I(0) i0	3331430000.00
分子量 molecular_weight	477020.0 kDa
排除体积 excluded_volume	591770 Å³
包络体积 envelope_volume	965340 Å³
水化壳体积 shell_volume	116960 Å³
包络直径 envelope_diameter	244.9 Å
壳层 Rg shell_rg	68.10 Å
包络 Rg envelope_rg	67.04 Å
形状 Rg shape_rg	69.63 Å
总 Rg total_rg	69.61 Å
总原子数 total_atoms	33331
残基数 n_residues	4120
球谐函数阶数 n_harmonics	20
q 范围 q_range	— – 0.5000 Å⁻¹
数据点数 n_points	101
壳层类型 shell_type	directional
溶剂电子密度 solvent_density	0.3340 e/Å³
壳层衬度 contrast_shell	0.0300 e/Å³
CRYSOL 版本 crysol_version	4.1.3

▼

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax	246.9 Å
Rg (实空间) rg_real	69.58 Å
Rg 误差 (实空间) rg_real_error	2.75 Å
I(0) (实空间) i0_real	3.3310e+09
I(0) 误差 (实空间) i0_real_error	7.9590e+07
Rg (倒空间) rg_reciprocal	69.07 Å
I(0) (倒空间) i0_reciprocal	3328000000.0000
解质量估计 total_estimate	0.8616
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	1
主峰位置 r_peak_primary	75.2 Å
偏度 Skewness skewness	0.316
峰度 Kurtosis kurtosis	-0.464
角度范围 angular_range	— – 0.1150 Å⁻¹
当前正则化参数 α current_alpha	0.0003
最高正则化参数 α highest_alpha	100700000.0000
实空间数据点数 n_real_points	24
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.833; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.977; Smooth: 0.722

▶

4. 晶体学与实验 4. Crystallography & Experiment

▶

5. 实体与聚合体信息 (4)

Entity 1 polymer

描述 description	DNA (cytosine-5)-methyltransferase 3A
分子量 formula_weight	77914.7 kDa
EC 编号 ec_number	2.1.1.37
来源方法 src_method	man
拷贝数 entity_count	8

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	L,M,N,O,R,S,T,U
原子数 atom_count	33331

MNAVEENQGPGESQKVEEASPPAVQQPTDPASPTVATTPEPVGSDAGDKNATKAGDDEPEYEDGRGFGIGELVWGKLRGFSWWPGRIVSWWMTGRSRAAEGTRWVMWFGDGKFSVVCVEKLMPLSSFCSAFHQATYNKQPMYRKAIYEVLQVASSRAGKLFPVCHDSDESDTAKAVEVQNKPMIEWALGGFQPSGPKGLEPPEEEKNPYKEVYTDMWVEPEAAAYAPPPPAKKPRKSTAEKPKVKEIIDERTRERLVYEVRQKCRNIEDICISCGSLNVTLEHPLFVGGMCQNCKNCFLECAYQYDDDGYQSYCTICCGGREVLMCGNNNCCRCFCVECVDLLVGPGAAQAAIKEDPWNCYMCGHKGTYGLLRRREDWPSRLQMFFANNHDQEFDPPKVYPPVPAEKRKPIRVLSLFDGIATGLLVLKDLGIQVDRYIASEVCEDSITVGMVRHQGKIMYVGDVRSVTQKHIQEWGPFDLVIGGSPCNDLSIVNPARKGLYEGTGRLFFEFYRLLHDARPKEGDDRPFFWLFENVVAMGVSDKRDISRFLESNPVMIDAKEVSAAHRARYFWGNLPGMNRPLASTVNDKLELQECLEHGRIAKFSKVRTITTRSNSIKQGKDQHFPVFMNEKEDILWCTEMERVFGFPVHYTDVSNMSRLARQRLLGRSWSVPVIRHLFAPLKEYFACV

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Spodoptera frugiperda

Entity 2 polymer

描述 description	DNA (cytosine-5)-methyltransferase 3-like
分子量 formula_weight	43530.6 kDa
来源方法 src_method	man
拷贝数 entity_count	2

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	P,Q

MAAIPALDPEAEPSMDVILVGSSELSSSVSPGTGRDLIAYEVKANQRNIEDICICCGSLQVHTQHPLFEGGICAPCKDKFLDALFLYDDDGYQSYCSICCSGETLLICGNPDCTRCYCFECVDSLVGPGTSGKVHAMSNWVCYLCLPSSRSGLLQRRRKWRSQLKAFYDRESENPLEMFETVPVWRRQPVRVLSLFEDIKKELTSLGFLESGSDPGQLKHVVDVTDTVRKDVEEWGPFDLVYGATPPLGHTCDRPPSWYLFQFHRLLQYARPKPGSPGPFFWMFVDNLVLNKEDLDVASRFLEMEPVTIPDVHGGSLQNAVRVWSNIPAIRSRHWALVSEEELSLLAQNKQSSKLAAKWPTKLVKNCFLPLREYFKYFSTELTSSL

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Spodoptera frugiperda

Entity 3 non-polymer

描述 description	ZINC ION
分子量 formula_weight	65.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	30

Entity 4 non-polymer

描述 description	S-ADENOSYL-L-HOMOCYSTEINE
分子量 formula_weight	384.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	8

▶

7. 引用文献 (1)

▶

分辨率 resolution	3.66 Å
分辨率测定方法 resolution_method	—
颗粒数 num_particles	185119

fit	/app/data/saxs_computation/mp/9mp0/9mp0.fit
pddf	/app/data/pr_computation/mp/9mp0/9mp0.pr.out
profile	/app/data/saxs_computation/mp/9mp0/9mp0.dat

The cryo-EM structure of the human DNA methyltransferases DNMT3A2 and DNMT3L dodecamer

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

1. 结构基本信息 1. Structure Basics

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

4. 晶体学与实验 4. Crystallography & Experiment

冷冻电镜 EM 3D

5. 实体与聚合体信息 (4)

Entity 1 polymer

聚合体 Polymer

来源 Source

Entity 2 polymer

聚合体 Polymer

来源 Source

Entity 3 non-polymer

Entity 4 non-polymer

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)