SAXSdb — 1c1z

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1. 蛋白身份与相关结构 Protein Identity & Related Structures

当前条目没有可用的 UniProt 蛋白身份。

七张关系表仍保留该条目的 assembly 与组成信息，但缺少统一蛋白身份时，不能可靠建立跨 PDB 的同蛋白链接。

当前条目的 assembly 组成

Assembly	聚集状态	实体与构建体证据	突变与修饰	配体、离子与共同组分	实验方法与环境	结构质量
1	其他组合单体蛋白 1 / DNA 0 / RNA 0 / 其他聚合物 3 PDB 声明：monomeric	实体 1：BETA2-GLYCOPROTEIN-I × 1 实体 2：2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 实体 3：;beta-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 实体 4：alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 缺少 UniProt 身份时不显示参考序列区间	未记录	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray结晶条件：VAPOR DIFFUSION, HANGING DROP；pH 7.2；277 K；Ammonium sulfate, phosphate buffer, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K	分辨率 2.87 Å R-free 0.244

页面优先展示蛋白身份、当前 assembly、共同组分、聚集状态和跨 PDB 结构链接。链映射与序列区间收在“数据证据”中；数据库内部编号、导入时间和 assembly 操作表达式仅用于维护，因此不在读者页面展示。

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2. 结构基本信息 2. Structure Basics

条目编号 entry_id	1c1z
沉积日期 deposition_date	1999-07-22
结构标题 title	CRYSTAL STRUCTURE OF HUMAN BETA-2-GLYCOPROTEIN-I (APOLIPOPROTEIN-H)
关键词 keywords	GLYCOPROTEIN, SHORT CONSENSUS REPEAT, SCR, SUSHI DOMAIN, COMPLEMENT CONTROL PROTEIN MODULE, CCP, SIGNALING PROTEIN; SIGNALING PROTEIN
实验方法 method	X-RAY DIFFRACTION

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3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier	44.22 Å
回转半径 Rg (电子) rg_electron	45.72 Å
零角强度 I(0) i0	22871400.00
分子量 molecular_weight	38357.0 kDa
排除体积 excluded_volume	47939 Å³
包络体积 envelope_volume	84745 Å³
水化壳体积 shell_volume	18110 Å³
包络直径 envelope_diameter	152.1 Å
壳层 Rg shell_rg	42.79 Å
包络 Rg envelope_rg	43.40 Å
形状 Rg shape_rg	45.72 Å
总 Rg total_rg	45.54 Å
总原子数 total_atoms	2683
残基数 n_residues	326
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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4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax	154.4 Å
Rg (实空间) rg_real	45.00 Å
Rg 误差 (实空间) rg_real_error	2.50 Å
I(0) (实空间) i0_real	2.2870e+07
I(0) 误差 (实空间) i0_real_error	4.7080e+05
Rg (倒空间) rg_reciprocal	44.23 Å
I(0) (倒空间) i0_reciprocal	22850000.0000
解质量估计 total_estimate	0.6439
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	3
主峰位置 r_peak_primary	21.4 Å
偏度 Skewness skewness	0.422
峰度 Kurtosis kurtosis	-0.765
角度范围 angular_range	— – 0.1800 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	730500.0000
实空间数据点数 n_real_points	37
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.254; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.130; Smooth: 0.480

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5. 晶体学与实验 5. Crystallography & Experiment

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6. 实体与聚合物信息 Entities & Polymers (6)

实体 1 Entity 1 polymer

描述 description	BETA2-GLYCOPROTEIN-I
分子量 formula_weight	36313.6 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A
原子数 atom_count	2705

GRTCPKPDDLPFSTVVPLKTFYEPGEEITYSCKPGYVSRGGMRKFICPLTGLWPINTLKCTPRVCPFAGILENGAVRYTTFEYPNTISFSCNTGFYLNGADSAKCTEEGKWSPELPVCAPIICPPPSIPTFATLRVYKPSAGNNSLYRDTAVFECLPQHAMFGNDTITCTTHGNWTKLPECREVKCPFPSRPDNGFVNYPAKPTLYYKDKATFGCHDGYSLDGPEEIECTKLGNWSAMPSCKASCKLPVKKATVVYQGERVKIQEKFKNGMLHGDKVSFFCKNKEKKCSYTEDAQCIDGTIEVPKCFKEHSSLAFWKTDASDVKPC

实体 2 Entity 2 branched

描述 description	2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	424.4 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 3 Entity 3 branched

描述 description	;beta-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	910.8 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 4 Entity 4 branched

描述 description	alpha-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	586.5 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 5 Entity 5 non-polymer

描述 description	2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	221.2 kDa
来源方法 src_method	man
拷贝数 entity_count	1

实体 6 Entity 6 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	22

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7. 折叠分类 (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

结构域编号 domain_id	d1c1za1
类 Class class	g — Small proteins
折叠类型 Fold fold	g.18 — Complement control module/SCR domain
超家族 Superfamily superfamily	g.18.1 — Complement control module/SCR domain
家族 Family family	g.18.1.1 — Complement control module/SCR domain

结构域编号 domain_id	d1c1za2
类 Class class	g — Small proteins
折叠类型 Fold fold	g.18 — Complement control module/SCR domain
超家族 Superfamily superfamily	g.18.1 — Complement control module/SCR domain
家族 Family family	g.18.1.1 — Complement control module/SCR domain

结构域编号 domain_id	d1c1za3
类 Class class	g — Small proteins
折叠类型 Fold fold	g.18 — Complement control module/SCR domain
超家族 Superfamily superfamily	g.18.1 — Complement control module/SCR domain
家族 Family family	g.18.1.1 — Complement control module/SCR domain

结构域编号 domain_id	d1c1za4
类 Class class	g — Small proteins
折叠类型 Fold fold	g.18 — Complement control module/SCR domain
超家族 Superfamily superfamily	g.18.1 — Complement control module/SCR domain
家族 Family family	g.18.1.1 — Complement control module/SCR domain

结构域编号 domain_id	d1c1za5
类 Class class	g — Small proteins
折叠类型 Fold fold	g.18 — Complement control module/SCR domain
超家族 Superfamily superfamily	g.18.1 — Complement control module/SCR domain
家族 Family family	g.18.1.1 — Complement control module/SCR domain

CATH v4.4 (5 domains)

结构域编号 domain_id	1c1zA01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	10 — Ribbon
拓扑 Topology topology	70 — Complement Module; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Complement Module, domain 1

结构域编号 domain_id	1c1zA02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	10 — Ribbon
拓扑 Topology topology	70 — Complement Module; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Complement Module, domain 1

结构域编号 domain_id	1c1zA03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	10 — Ribbon
拓扑 Topology topology	70 — Complement Module; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Complement Module, domain 1

结构域编号 domain_id	1c1zA04
类 Class class	2 — Mainly Beta
架构 Architecture architecture	10 — Ribbon
拓扑 Topology topology	70 — Complement Module; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Complement Module, domain 1

结构域编号 domain_id	1c1zA05
类 Class class	2 — Mainly Beta
架构 Architecture architecture	10 — Ribbon
拓扑 Topology topology	70 — Complement Module; domain 1
同源超家族 H-superfamily homologous superfamily	10 — Complement Module, domain 1

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8. 引用文献 (2)

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晶胞边长 a length_a	159.500 Å
晶胞边长 b length_b	164.800 Å
晶胞边长 c length_c	114.300 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	8

空间群 space_group	C 2 2 21
空间群编号 int_tables_number	20
晶系 crystal_system	—

分辨率 resolution	2.870 Å
最低分辨率 resolution_low	50.000 Å
R 因子 r_factor	0.2380
R_work r_work	0.2380
R_free r_free	0.2440

fit	/app/data/saxs_computation/c1/1c1z/1c1z.fit
pddf	/app/data/pr_computation/c1/1c1z/1c1z.pr.out
profile	/app/data/saxs_computation/c1/1c1z/1c1z.dat

CRYSTAL STRUCTURE OF HUMAN BETA-2-GLYCOPROTEIN-I (APOLIPOPROTEIN-H)

1. 蛋白身份与相关结构 Protein Identity & Related Structures

当前条目的 assembly 组成

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

2. 结构基本信息 2. Structure Basics

3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

5. 晶体学与实验 5. Crystallography & Experiment

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction