9mvx

Crystal structure of knob-in-hole immunoglobulin G1 Fc heterodimer with P374A

Method: X-RAY DIFFRACTION D_max: 79.0 Å Quality: EXCELLENT

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

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	9mvx
沉积日期 deposition_date	2025-01-16
最后修订 last_revision	2025-11-12
结构标题 title	Crystal structure of knob-in-hole immunoglobulin G1 Fc heterodimer with P374A
关键词 keywords	;HUMAN FC FRAGMENT, IMMUNE RESPONSE, IMMUNE SYSTEM, KNOB, HOLE, KNOB-IN-HOLE, KIH, ProAla, Proline-to-alanine, bispecific antibody, bsAb, bsIgG, Cis-peptide ;; IMMUNE SYSTEM
实验方法 method	X-RAY DIFFRACTION

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

回转半径 Rg (Guinier) rg_guinier	26.53 Å
回转半径 Rg (电子) rg_electron	25.26 Å
零角强度 I(0) i0	39495800.00
分子量 molecular_weight	48533.0 kDa
排除体积 excluded_volume	60673 Å³
包络体积 envelope_volume	79302 Å³
水化壳体积 shell_volume	26107 Å³
包络直径 envelope_diameter	79.9 Å
壳层 Rg shell_rg	32.70 Å
包络 Rg envelope_rg	24.73 Å
形状 Rg shape_rg	25.27 Å
总 Rg total_rg	26.10 Å
总原子数 total_atoms	3416
残基数 n_residues	406
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

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

最大尺寸 Dmax dmax	79.0 Å
Rg (实空间) rg_real	26.37 Å
Rg 误差 (实空间) rg_real_error	0.40 Å
I(0) (实空间) i0_real	3.9500e+07
I(0) 误差 (实空间) i0_real_error	5.1410e+05
Rg (倒空间) rg_reciprocal	26.42 Å
I(0) (倒空间) i0_reciprocal	39500000.0000
解质量估计 total_estimate	0.9176
解质量评级 solution_quality	EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	36.9 Å
偏度 Skewness skewness	0.031
峰度 Kurtosis kurtosis	-0.685
角度范围 angular_range	— – 0.3000 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	4927000.0000
实空间数据点数 n_real_points	61
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.979; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.988

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

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5. 实体与聚合体信息 (5)

Entity 1 polymer

描述 description	Isoform 1 of Immunoglobulin heavy constant gamma 1 HC1 (Hole)
分子量 formula_weight	24985.2 kDa
突变 mutation	I253D, T366S, L368A, P374A, Y407V
来源方法 src_method	man
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A
原子数 atom_count	3802

TCPPCPAPELLGGPSVFLFPPKPKDTLMDSRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMTKNQVSLSCAVKGFYASDIAVEWESNGQPENNYKTTPPVLDSDGSFFLVSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK

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	Cricetulus griseus

Entity 2 polymer

描述 description	Isoform 1 of Immunoglobulin heavy constant gamma 1 HC2 (Knob)
分子量 formula_weight	25188.6 kDa
突变 mutation	T366W, P374A
来源方法 src_method	man
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	B

TCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMTKNQVSLWCLVKGFYASDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK

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	Cricetulus griseus

Entity 3 branched

描述 description	;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	1317.2 kDa
来源方法 src_method	man
拷贝数 entity_count	1

Entity 4 branched

描述 description	;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	1463.3 kDa
来源方法 src_method	man
拷贝数 entity_count	1

Entity 5 water

描述 description	water
分子量 formula_weight	18.0 kDa
来源方法 src_method	nat
拷贝数 entity_count	296

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7. 引用文献 (1)

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晶胞边长 a length_a	49.763 Å
晶胞边长 b length_b	81.014 Å
晶胞边长 c length_c	136.076 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	90.00 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	4

空间群 space_group	P 21 21 21
空间群编号 int_tables_number	19
晶系 crystal_system	orthorhombic

分辨率 resolution	1.840 Å
最低分辨率 resolution_low	42.400 Å
R 因子 r_factor	0.2131
R_work r_work	0.2109
R_free r_free	0.2547

fit	/app/data/saxs_computation/mv/9mvx/9mvx.fit
pddf	/app/data/pr_computation/mv/9mvx/9mvx.pr.out
profile	/app/data/saxs_computation/mv/9mvx/9mvx.dat

Crystal structure of knob-in-hole immunoglobulin G1 Fc heterodimer with P374A

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

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction

5. 实体与聚合体信息 (5)

Entity 1 polymer

聚合体 Polymer

来源 Source

Entity 2 polymer

聚合体 Polymer

来源 Source

Entity 3 branched

Entity 4 branched

Entity 5 water

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)