1kx1

Rat mannose protein A complexed with Man6-GlcNAc2-Asn

Method: X-RAY DIFFRACTION D_max: 130.2 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

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	1kx1
沉积日期 deposition_date	2002-01-30
结构标题 title	Rat mannose protein A complexed with Man6-GlcNAc2-Asn
关键词 keywords	LECTIN, C-TYPE LECTIN, CALCIUM-BINDING PROTEIN, IMMUNE SYSTEM, SUGAR BINDING PROTEIN; IMMUNE SYSTEM, SUGAR BINDING PROTEIN
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	37.99 Å
回转半径 Rg (电子) rg_electron	38.10 Å
零角强度 I(0) i0	166477000.00
分子量 molecular_weight	101800.0 kDa
排除体积 excluded_volume	126510 Å³
包络体积 envelope_volume	177440 Å³
水化壳体积 shell_volume	40790 Å³
包络直径 envelope_diameter	140.9 Å
壳层 Rg shell_rg	41.62 Å
包络 Rg envelope_rg	37.34 Å
形状 Rg shape_rg	38.04 Å
总 Rg total_rg	38.53 Å
总原子数 total_atoms	7094
残基数 n_residues	894
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	130.2 Å
Rg (实空间) rg_real	38.11 Å
Rg 误差 (实空间) rg_real_error	1.31 Å
I(0) (实空间) i0_real	1.6650e+08
I(0) 误差 (实空间) i0_real_error	3.0770e+06
Rg (倒空间) rg_reciprocal	38.04 Å
I(0) (倒空间) i0_reciprocal	166500000.0000
解质量估计 total_estimate	0.8341
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	46.5 Å
偏度 Skewness skewness	0.392
峰度 Kurtosis kurtosis	-0.312
角度范围 angular_range	— – 0.2100 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	6491000.0000
实空间数据点数 n_real_points	43
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.632; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.955

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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	MANNOSE-BINDING PROTEIN A
分子量 formula_weight	16478.7 kDa
来源方法 src_method	man
拷贝数 entity_count	6

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D,E,F
原子数 atom_count	7139

AIEVKLANMEAEINTLKSKLELTNKLHAFSMGKKSGKKFFVTNHERMPFSKVKALCSELRGTVAIPRNAEENKAIQEVAKTSAFLGITDEVTEGQFMYVTGGRLTYSNWKKDEPNDHGSGEDCVTIVDNGLWNDISCQASHTAVCEFPA

来源 Source

来源生物 organism	Rattus norvegicus
通用名 common_name	Norway rat
NCBI 分类编号 ncbi_taxonomy_id	10116
宿主生物 host_organism	Escherichia coli

Entity 2 branched

描述 description	;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose ;
分子量 formula_weight	990.9 kDa
来源方法 src_method	man
拷贝数 entity_count	2

Entity 3 non-polymer

描述 description	CALCIUM ION
分子量 formula_weight	40.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	18

Entity 4 non-polymer

描述 description	alpha-D-mannopyranose
分子量 formula_weight	180.2 kDa
来源方法 src_method	man
拷贝数 entity_count	2

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	45

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6. 折叠分类 (SCOP + CATH) 18 domains

SCOP 2.08 (12 domains)

结构域编号 domain_id	d1kx1a1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.169 — C-type lectin-like
超家族 Superfamily superfamily	d.169.1 — C-type lectin-like
家族 Family family	d.169.1.1 — C-type lectin domain

结构域编号 domain_id	d1kx1a2
类 Class class	h — Coiled coil proteins
折叠类型 Fold fold	h.1 — Parallel coiled-coil
超家族 Superfamily superfamily	h.1.1 — Triple coiled coil domain of C-type lectins
家族 Family family	h.1.1.1 — Triple coiled coil domain of C-type lectins

结构域编号 domain_id	d1kx1b1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.169 — C-type lectin-like
超家族 Superfamily superfamily	d.169.1 — C-type lectin-like
家族 Family family	d.169.1.1 — C-type lectin domain

结构域编号 domain_id	d1kx1b2
类 Class class	h — Coiled coil proteins
折叠类型 Fold fold	h.1 — Parallel coiled-coil
超家族 Superfamily superfamily	h.1.1 — Triple coiled coil domain of C-type lectins
家族 Family family	h.1.1.1 — Triple coiled coil domain of C-type lectins

结构域编号 domain_id	d1kx1c1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.169 — C-type lectin-like
超家族 Superfamily superfamily	d.169.1 — C-type lectin-like
家族 Family family	d.169.1.1 — C-type lectin domain

结构域编号 domain_id	d1kx1c2
类 Class class	h — Coiled coil proteins
折叠类型 Fold fold	h.1 — Parallel coiled-coil
超家族 Superfamily superfamily	h.1.1 — Triple coiled coil domain of C-type lectins
家族 Family family	h.1.1.1 — Triple coiled coil domain of C-type lectins

结构域编号 domain_id	d1kx1d1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.169 — C-type lectin-like
超家族 Superfamily superfamily	d.169.1 — C-type lectin-like
家族 Family family	d.169.1.1 — C-type lectin domain

结构域编号 domain_id	d1kx1d2
类 Class class	h — Coiled coil proteins
折叠类型 Fold fold	h.1 — Parallel coiled-coil
超家族 Superfamily superfamily	h.1.1 — Triple coiled coil domain of C-type lectins
家族 Family family	h.1.1.1 — Triple coiled coil domain of C-type lectins

结构域编号 domain_id	d1kx1e1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.169 — C-type lectin-like
超家族 Superfamily superfamily	d.169.1 — C-type lectin-like
家族 Family family	d.169.1.1 — C-type lectin domain

结构域编号 domain_id	d1kx1e2
类 Class class	h — Coiled coil proteins
折叠类型 Fold fold	h.1 — Parallel coiled-coil
超家族 Superfamily superfamily	h.1.1 — Triple coiled coil domain of C-type lectins
家族 Family family	h.1.1.1 — Triple coiled coil domain of C-type lectins

结构域编号 domain_id	d1kx1f1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.169 — C-type lectin-like
超家族 Superfamily superfamily	d.169.1 — C-type lectin-like
家族 Family family	d.169.1.1 — C-type lectin domain

结构域编号 domain_id	d1kx1f2
类 Class class	h — Coiled coil proteins
折叠类型 Fold fold	h.1 — Parallel coiled-coil
超家族 Superfamily superfamily	h.1.1 — Triple coiled coil domain of C-type lectins
家族 Family family	h.1.1.1 — Triple coiled coil domain of C-type lectins

CATH v4.4 (6 domains)

结构域编号 domain_id	1kx1A00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily	10 — Mannose-Binding Protein A, subunit A

结构域编号 domain_id	1kx1B00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily	10 — Mannose-Binding Protein A, subunit A

结构域编号 domain_id	1kx1C00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily	10 — Mannose-Binding Protein A, subunit A

结构域编号 domain_id	1kx1D00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily	10 — Mannose-Binding Protein A, subunit A

结构域编号 domain_id	1kx1E00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily	10 — Mannose-Binding Protein A, subunit A

结构域编号 domain_id	1kx1F00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily	10 — Mannose-Binding Protein A, subunit A

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7. 引用文献 (1)

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晶胞边长 a length_a	61.800 Å
晶胞边长 b length_b	255.560 Å
晶胞边长 c length_c	61.790 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	119.60 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	12

空间群 space_group	P 1 21 1
空间群编号 int_tables_number	4
晶系 crystal_system	—

分辨率 resolution	2.800 Å
最低分辨率 resolution_low	37.040 Å
R 因子 r_factor	0.2420
R_work r_work	0.2420
R_free r_free	0.2870

fit	/app/data/saxs_computation/kx/1kx1/1kx1.fit
pddf	/app/data/pr_computation/kx/1kx1/1kx1.pr.out
profile	/app/data/saxs_computation/kx/1kx1/1kx1.dat