SAXSdb — 9czm

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	9czm
沉积日期 deposition_date	2024-08-05
结构标题 title	Ca2+ bound open-inactivated 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, open-inactivated hSlo1, ball and chain inactivation, hSlo1 inactivating subunit complex, beta2 beta4, nanodisc, membrane protein ;; 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	54.92 Å
回转半径 Rg (电子) rg_electron	53.69 Å
零角强度 I(0) i0	3258270000.00
分子量 molecular_weight	513060.0 kDa
排除体积 excluded_volume	654980 Å³
包络体积 envelope_volume	933770 Å³
水化壳体积 shell_volume	137860 Å³
包络直径 envelope_diameter	167.9 Å
壳层 Rg shell_rg	62.72 Å
包络 Rg envelope_rg	52.16 Å
形状 Rg shape_rg	53.70 Å
总 Rg total_rg	53.90 Å
总原子数 total_atoms	36052
残基数 n_residues	4367
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	168.7 Å
Rg (实空间) rg_real	54.62 Å
Rg 误差 (实空间) rg_real_error	0.82 Å
I(0) (实空间) i0_real	3.2580e+09
I(0) 误差 (实空间) i0_real_error	5.7990e+07
Rg (倒空间) rg_reciprocal	55.16 Å
I(0) (倒空间) i0_reciprocal	3261000000.0000
解质量估计 total_estimate	0.6436
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	1
主峰位置 r_peak_primary	69.8 Å
偏度 Skewness skewness	0.090
峰度 Kurtosis kurtosis	-0.529
角度范围 angular_range	— – 0.1450 Å⁻¹
当前正则化参数 α current_alpha	0.0002
最高正则化参数 α highest_alpha	483500000.0000
实空间数据点数 n_real_points	30
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.931; Stabil: 1.000; Sysdev: 0.001; Positv: 1.000; Valcen: 0.954; Smooth: 0.613

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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 (7)

Entity 1 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,H,G
原子数 atom_count	36052

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 2 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

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 3 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	32

Entity 4 non-polymer

描述 description	MAGNESIUM ION
分子量 formula_weight	24.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 5 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 6 non-polymer

描述 description	CHOLESTEROL
分子量 formula_weight	386.7 kDa
来源方法 src_method	syn
拷贝数 entity_count	8

Entity 7 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

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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	2.57 Å
分辨率测定方法 resolution_method	—
颗粒数 num_particles	175971

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

Ca2+ bound open-inactivated 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 (7)

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

Entity 6 non-polymer

Entity 7 non-polymer

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)