Structural comparison of a gem-dichlorodiarylcyclopropane antiestrogen and three of its derivatives [0.03%]
茋二氯化物反式雌激素类化合物及其三种衍生物的结构比较研究
M B Hossain,J L Wang,D van der Helm et al.
M B Hossain et al.
The pure antiestrogenic activity of compound (1) gave the impetus to synthesize a series of its derivatives (2)-(4). Structural features of these compounds are compared. Compound (1): 1,1-dichloro-cis-2,3-diphenylcyclopropane, C15H12Cl2, Mr...
Histidyl conformations and short N-H...N hydrogen bonds: structure of D,L-histidyl-L,D-histidine pentahydrate [0.03%]
组氨残基构象和短N-H...N氢键：D,L-脯氨-D,L-组氨五水合物结构式
J A Krause,P W Baures,D S Eggleston
J A Krause
D,L-Histidyl-L,D-histidine pentahydrate, C12H16-N6O3.5H2O, Mr = 382.38, F(000) = 408, crystallizes in the monoclinic space group Pc with the cell dimensions a = 9.971 (2), b = 4.745 (2), c = 19.572 (3) A and beta = 96.08 (1) degree, V = 920...
A C Blackburn,J C Gallucci,R E Gerkin
A C Blackburn
[Cu(H2O)4](ClO3)2, Mr = 302.51, orthorhombic, Pbca, lambda (Mo K alpha) = 0.71069 A, Z = 4, F(000) = 604; T = 296 K, a = 12.924 (3), b = 9.502 (2), c = 7.233 (1) A, V = 888.3 (3) A3, D chi = 2.26 g cm-3, mu = 31.04 cm-1, R = 0.041 for 1174 ...
A W Roszak,K Brunner,T G Back et al.
A W Roszak et al.
N-Chloroazasteroids form covalent S-N bonds with thiol groups and so are of interest as chemoselective irreversible binding agents for the active sites of steroid receptors and enzymes. The solid-state structures of N-chloro-3-methoxy-17-az...
Structure and thermal vibrations of adenosine from neutron diffraction data at 123 K [0.03%]
基于中子衍射数据的腺苷在123K时的结构和热振动研究
W T Klooster,J R Ruble,B M Craven et al.
W T Klooster et al.
The crystal structure of adenosine, C10H13N5O4, Mr = 267.24, has been refined by full-matrix least-squares methods using single-crystal neutron diffraction data (sin theta/lambda less than 0.79 A-1) measured at 123 K. Crystal data at 123 K:...
Structure of the adipate complex [Na2(C6H9O4)2(C6H10O4)].2H2O from neutron diffraction at 220 and 295 K [0.03%]
由中子衍射研究的癸二酸复盐[Na₂(C₆H₉O₄)₂(C₆H₁₀O₄)].2H₂O在220K和295K时的结构
Q Gao,L Clancy,H P Weber et al.
Q Gao et al.
The crystal structure of sodium hydrogen adipate-adipic acid (2/1) dihydrate, [Na2(C6H9O4)2(C6H10O4)].2H2O, Mr = 518.4, has been determined from neutron diffraction data collected at 220 and 295 K. Crystals are monoclinic, space group C2/m,...
Electron distributions in peptides and related molecules. 1. An experimental and theoretical study of N-acetyl-L-tryptophan methylamide [0.03%]
肽和相关化合物中的电子分布。I.N-乙酰-L-色氨酸甲酰胺的实验和理论研究
M Souhassou,C Lecomte,R H Blessing et al.
M Souhassou et al.
The thermal vibrations and electron density of N-Ac-L-Trp-NHMe have been analyzed using single-crystal X-ray diffraction data measured at 103 K with Mo K alpha radiation to a resolution corresponding to (sin theta max)/ lambda = 1.17 A-1. M...
Dipotassium and sodium/potassium crystalline picrate complexes with the crown ether 6,7,9,10,12,13,20,21,23,24,26,27-dodecahydrodibenzo[b,n]-[1,4, 7,10,13,16,19,22]octaoxacyclotetracosin (dibenzo-24-crown-8) [0.03%]
六水合二钾和钠/钾均三硝基苯甲酰胲与冠醚6,7,9,10,12,13,20,21,23,24,26,27-十二氢-双环[b,n][1,4,7,10,13,16,19,22]氧杂四苯二十四素（双环[24]-冠-8）的晶体复合物
T Gallagher,M J Taylor,S R Ernst et al.
T Gallagher et al.
The crystal structures of the dipotassium and the mixed sodium/potassium picrate complexes with the crown ether dibenzo-24-crown-8 (DB24C8) were solved and found to be nearly identical. (I): NaK-pic2(DB24C8), [NaK(C6H2N3O7)2(C24H32O8)]. Mr ...
The structure of 6-phosphogluconate dehydrogenase refined at 2.5 A resolution [0.03%]
6-磷酸葡萄糖酸脱氢酶的三维结构的研究
M J Adams,S Gover,R Leaback et al.
M J Adams et al.
The three-dimensional structure of ovine 6-phosphogluconate dehydrogenase, refined at 2.5 A resolution with a residual for all data of 18.5%, is reported. This model, based on improved diffraction data and a corrected sequence, supersedes t...
Crystallographic refinement of bovine pro-phospholipase A2 at 1.6 A resolution [0.03%]
牛前磷脂酶A2的晶体结构 refinemnt（1.6埃）
B C Finzel,P C Weber,D H Ohlendorf et al.
B C Finzel et al.
Bovine pro-phospholipase A2 (Mr = 14,520), trigonal, P3(1)21, a = b = 46.5, c = 102.0 A, one molecule per asymmetric unit, lambda (Cu K alpha) = 1.54 A. The model incorporating 895 protein atoms, two molecules of 2-methyl-2,4-pentanediol, a...