SAXSdb — 9czo

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	9czo
沉积日期 deposition_date	2024-08-05
结构标题 title	Ca2+ bound intermediate state of hSlo1 + beta2N-beta4 channel in nanodisc.
关键词 keywords	;Potassium ion channel, calcium and voltage gated ion channel, big potassium channel, human BK, hSlo1, intermediate hSlo1, ball and chain inactivation, hSlo1 inactivating subunit complex, nanodisc, membrane protein, beta2, beta4 ;; MEMBRANE PROTEIN
实验方法 method	ELECTRON MICROSCOPY

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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	56.78 Å
回转半径 Rg (电子) rg_electron	55.67 Å
零角强度 I(0) i0	3137470000.00
分子量 molecular_weight	496290.0 kDa
排除体积 excluded_volume	630690 Å³
包络体积 envelope_volume	939430 Å³
水化壳体积 shell_volume	136140 Å³
包络直径 envelope_diameter	172.5 Å
壳层 Rg shell_rg	63.29 Å
包络 Rg envelope_rg	53.49 Å
形状 Rg shape_rg	55.66 Å
总 Rg total_rg	55.91 Å
总原子数 total_atoms	69351
残基数 n_residues	4344
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	170.9 Å
Rg (实空间) rg_real	56.47 Å
Rg 误差 (实空间) rg_real_error	1.01 Å
I(0) (实空间) i0_real	3.1370e+09
I(0) 误差 (实空间) i0_real_error	5.8100e+07
Rg (倒空间) rg_reciprocal	57.01 Å
I(0) (倒空间) i0_reciprocal	3140000000.0000
解质量估计 total_estimate	0.8540
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	73.2 Å
偏度 Skewness skewness	0.094
峰度 Kurtosis kurtosis	-0.567
角度范围 angular_range	— – 0.1400 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	418700000.0000
实空间数据点数 n_real_points	29
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.964; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.963; Smooth: 0.243

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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 5 of Calcium-activated potassium channel subunit alpha-1
分子量 formula_weight	118969.9 kDa
来源方法 src_method	man
拷贝数 entity_count	4

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D
原子数 atom_count	69351

MDALIIPVTMEVPCDSRGQRMWWAFLASSMVTFFGGLFIILLWRTLKYLWTVCCHCGGKTKEAQKINNGSSQADGTLKPVDEKEEAVAAEVGWMTSVKDWAGVMISAQTLTGRVLVVLVFALSIGALVIYFIDSSNPIESCQNFYKDFTLQIDMAFNVFFLLYFGLRFIAANDKLWFWLEVNSVVDFFTVPPVFVSVYLNRSWLGLRFLRALRLIQFSEILQFLNILKTSNSIKLVNLLSIFISTWLTAAGFIHLVENSGDPWENFQNNQALTYWECVYLLMVTMSTVGYGDVYAKTTLGRLFMVFFILGGLAMFASYVPEIIELIGNRKKYGGSYSAVSGRKHIVVCGHITLESVSNFLKDFLHKDRDDVNVEIVFLHNISPNLELEALFKRHFTQVEFYQGSVLNPHDLARVKIESADACLILANKYCADPDAEDASNIMRVISIKNYHPKIRIITQMLQYHNKAHLLNIPSWNWKEGDDAICLAELKLGFIAQSCLAQGLSTMLANLFSMRSFIKIEEDTWQKYYLEGVSNEMYTEYLSSAFVGLSFPTVCELCFVKLKLLMIAIEYKSANRESRILINPGNHLKIQEGTLGFFIASDAKEVKRAFFYCKACHDDITDPKRIKKCGCKRLEDEQPSTLSPKKKQRNGGMRNSPNTSPKLMRHDPLLIPGNDQIDNMDSNVKKYDSTGMFHWCAPKEIEKVILTRSEAAMTVLSGHVVVCIFGDVSSALIGLRNLVMPLRASNFHYHELKHIVFVGSIEYLKREWETLHNFPKVSILPGTPLSRADLRAVNINLCDMCVILSANQNNIDDTSLQDKECILASLNIKSMQFDDSIGVLQANSQGFTPPGMDRSSPDNSPVHGMLRQPSITTGVNIPIITELVNDTNVQFLDQDDDDDPDTELYLTQPFACGTAFAVSVLDSLMSATYFNDNILTLIRTLVTGGATPELEALIAEENALRGGYSTPQTLANRDRCRVAQLALLDGPFADLGDGGCYGDLFCKALKTYNMLCFGIYRLRDAHLSTPSQCTKRYVITNPPYEFELVPTDLIFCLMQFD

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	Homo sapiens

Entity 2 polymer

描述 description	Large-conductance Ca2+-activated K+ channel beta2 subunit,Calcium-activated potassium channel subunit beta-4
分子量 formula_weight	27431.5 kDa
来源方法 src_method	man
拷贝数 entity_count	4

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	E,F,G,H

FIWTSGRTSSSYRHDEKRNIYQKIRDHDLLDKRKTVTALKAGEDKSIRLGLFLIISGVVSLFIFGFCWLSPALQDLQATEANCTVLSVQQIGEVFECTFTCGADCRGTSQYPCVQVYVNNSESNSRALLHSDEHQLLTNPKCSYIPPCKRENQKNLESVMNWQQYWKDEIGSQPFTCYFNQHQRPDDVLLHRTHDEIVLLHCFLWPLVTFVVGVLIVVLTICAKSLAVKAEAMKKRKFS

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	Homo sapiens

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	8

Entity 4 non-polymer

描述 description	POTASSIUM ION
分子量 formula_weight	39.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 5 non-polymer

描述 description	(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
分子量 formula_weight	760.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	11

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7. 引用文献 (1)

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晶胞边长 a length_a	1.000 Å
晶胞边长 b length_b	1.000 Å
晶胞边长 c length_c	1.000 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	—

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

分辨率 resolution	2.87 Å
分辨率测定方法 resolution_method	—
颗粒数 num_particles	154169

fit	/app/data/saxs_computation/cz/9czo/9czo.fit
pddf	/app/data/pr_computation/cz/9czo/9czo.pr.out
profile	/app/data/saxs_computation/cz/9czo/9czo.dat

Ca2+ bound intermediate state of hSlo1 + beta2N-beta4 channel in nanodisc.

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

冷冻电镜 EM 3D

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 non-polymer

Entity 4 non-polymer

Entity 5 non-polymer

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)