SAXSdb — 3nzc

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

Dihydrofolate reductase

Pneumocystis carinii

当前结构中的状态

Assembly	聚集状态	构建体	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	蛋白单体单体蛋白 × 1 PDB 声明：monomeric（1）与蛋白拷贝数一致	链 X； UniProt 1–206	未记录	D2O 6-[2-methoxy-5-(2-phenylethoxy)benzyl]-5-methylpyrido[2,3-d]pyrimidine-2,4-diamine × 1 PO4 PHOSPHATE ION × 1 GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray结晶条件：VAPOR DIFFUSION, HANGING DROP；pH 6；273 K；30-36% PEG 2K, 46-52 mM MES, 100 mM KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K	分辨率 2.00 Å R-free 0.260

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly， “相对当前条目”直接指出证据层面的不同；没有差异标签表示当前已读取字段一致。

其他 PDB	相对当前条目 3NZC	Assembly / 聚集状态	构建体	突变与修饰	配体、离子与非聚合物	实验方法与环境	结构质量
1CD2 LIGAND INDUCED CONFORMATIONAL CHANGES IN THE CRYSTAL STRUCTURES OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE COMPLEXES WITH FOLATE AND NADP+ 提交 1999-03-05	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 FOL FOLIC ACID × 1	X-RAY DIFFRACTION X-ray结晶条件 pH 6；10 ML PROTEIN, 1 MICROLITER 50MM MES, PH 6.5, 100MM KCL, 9 ML 50%(W/W)PEG 2K., pH 6.00	分辨率 2.20 Å
1DAJ COMPARISON OF TERNARY COMPLEXES OF PNEUMOCYSTIS CARINII AND WILD TYPE HUMAN DIHYDROFOLATE REDUCTASE WITH COENZYME NADPH AND A NOVEL CLASSICAL ANTITUMOR FURO[2,3D]PYRIMIDINE ANTIFOLATE 提交 1997-07-29	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 MOT N-[4-[(2,4-DIAMINOFURO[2,3D]PYRIMIDIN-5-YL)METHYL]METHYLAMINO]-BENZOYL]-L-GLUTAMATE × 1	X-RAY DIFFRACTION mmCIF 未提供已读取条件	分辨率 2.30 Å
1DYR THE STRUCTURE OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE TO 1.9 ANGSTROMS RESOLUTION 提交 1994-09-14	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 TOP TRIMETHOPRIM × 1	X-RAY DIFFRACTION mmCIF 未提供已读取条件	分辨率 1.86 Å
1E26 Design, Synthesis and X-ray Crystal Structure of a Potent Dual Inhibitor of Thymidylate Synthase and Dihydrofolate Reductase as an Antitumor Agent. 提交 2000-05-17	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 GPB N-[4-[2-(2-AMINO-4-METHYL-7H-PYRROLO[2,3-D]PYRIMIDIN-5-YL)-ETHYL]-BENZOYL]GLUTAMIC ACID × 1	X-RAY DIFFRACTION X-ray结晶条件 MICROBATCH；pH 6；PROTEIN SOLUTION: WASHED AND CONCENTRATED 4 TUBES PCDHFR USING A CENTRICON 10 50 MM MES, 100MM KCL, B-NADPH, PH 6.0, A280/340 RATIO OF 24. WASHED WITH 50MM MES, 100MM KCL, PH 6.0, WASHED WITH 50MM MES, 100MM KCL, PH 6.0 TO A CONCENTRATION OF 6.5 MG/ML. RESERVOIR SOLUTION: 50% PEG2000MME, 50MM MES, 100MM, PH 6.0 SET UP MICROBATCH POLYTHERMAL GRADIENT EXPERIMENTS IN MICROPETS. DROPS WERE COMPOSED OF: 2.5 MICROLITERS PROTEIN SOLUTION 2.0 MICROLITERS PROTEIN SOLUTION 0.5 MICROLITERS 50MM MES, 100MM KCL, PH 6.0. MICROPETS WERE LEFT TO EQUILIBRATE ON THE POLYTHERMAL GRADIENT.	分辨率 2.00 Å R-free 0.297
1KLK CRYSTAL STRUCTURE OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE TERNARY COMPLEX WITH PT653 AND NADPH 提交 2001-12-12	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	PMD [N-(2,4-DIAMINOPTERIDIN-6-YL)-METHYL]-DIBENZ[B,F]AZEPINE × 1 NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION；pH 6；298 K；PEG 2000MME, KCl, MES, pH 6.0, VAPOR DIFFUSION, temperature 298K	分辨率 2.30 Å R-free 0.289
1LY3 ANALYSIS OF QUINAZOLINE AND PYRIDOPYRIMIDINE N9-C10 REVERSED BRIDGE ANTIFOLATES IN COMPLEX WITH NADP+ AND PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE 提交 2002-06-06	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 COG 2,4-DIAMINO-6-[N-(2',5'-DIMETHOXYBENZYL)-N-METHYLAMINO]QUINAZOLINE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION；pH 6；298 K；Peg 2000, MES/KCl, KCl, pH 6, VAPOR DIFFUSION, temperature 298K	分辨率 1.90 Å
1LY4 Analysis of quinazoline and PYRIDO[2,3D]PYRIMIDINE N9-C10 reversed bridge antifolates in complex with NADP+ and Pneumocystis carinii dihydrofolate reductase 提交 2002-06-06	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 COQ 2,4-DIAMINO-6-[N-(3',5'-DIMETHOXYBENZYL)-N-METHYLAMINO]PYRIDO[2,3-D]PYRIMIDINE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION；pH 6；298 K；MES/KCl, PEG 2000, pH 6.0, VAPOR DIFFUSION, temperature 298K	分辨率 2.10 Å
1S3Y Structure Determination of Tetrahydroquinazoline Antifolates in Complex with Human and Pneumocystis carinii Dihydrofolate Reductase: Correlations of Enzyme Selectivity and Stereochemistry 提交 2004-01-14	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 TQT 6-(OCTAHYDRO-1H-INDOL-1-YLMETHYL)DECAHYDROQUINAZOLINE-2,4-DIAMINE × 1	X-RAY DIFFRACTION X-ray结晶条件 thermal gradient；pH 6；298 K；50 mM MES, 100 mM KCl, pH 6.0, thermal gradient, temperature 298K	分辨率 2.25 Å R-free 0.289
1VJ3 STRUCTURAL STUDIES ON BIO-ACTIVE COMPOUNDS. CRYSTAL STRUCTURE AND MOLECULAR MODELING STUDIES ON THE PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE COFACTOR COMPLEX WITH TAB, A HIGHLY SELECTIVE ANTIFOLATE. 提交 2004-01-13	构建体不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 2–206（205 aa）	未记录	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 TAB ACETIC ACID N-[2-CHLORO-5-[6-ETHYL-2,4-DIAMINO-PYRIMID-5-YL]-PHENYL]-[BENZYL-TRIAZEN-3-YL]ETHYL ESTER × 1	X-RAY DIFFRACTION X-ray结晶条件 pH 6；pH 6.00	分辨率 2.10 Å
2CD2 LIGAND INDUCED CONFORMATIONAL CHANGES IN THE CRYSTAL STRUCTURES OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE COMPLEXES WITH FOLATE AND NADP+ 提交 1999-03-15	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 FOL FOLIC ACID × 1	X-RAY DIFFRACTION X-ray结晶条件 pH 6；pH 6.00	分辨率 1.90 Å
2FZH New Insights into Dihydrofolate Reductase Interactions: Analysis of Pneumocystis carinii and Mouse DHFR Complexes with NADPH and Two Highly Potent Trimethoprim Derivatives 提交 2006-02-09	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 DH1 2,4-DIAMINO-5-[2-METHOXY-5-(4-CARBOXYBUTYLOXY)BENZYL]PYRIMIDINE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；298 K；33% PEG 2K, 46 mM MES, 100 mM KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K	分辨率 2.10 Å R-free 0.295
2FZI New Insights into DHFR Interactions: Analysis of Pneumocystis carinii and Mouse DHFR Complexes with NADPH and Two Highly Potent Trimethoprim Derivatives 提交 2006-02-09	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 DH3 2,4-DIAMINO-5-[3',4'-DIMETHOXY-5'-(5-CARBOXYL-1-PENTYNYL)]BENZYL PYRIMIDINE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；33% PEG 2K, 46 mM MES, 100 mM KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K	分辨率 1.60 Å R-free 0.317
3CD2 LIGAND INDUCED CONFORMATIONAL CHANGES IN THE CRYSTAL STRUCTURES OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE COMPLEXES WITH FOLATE AND NADP+ 提交 1999-03-16	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 MTX METHOTREXATE × 1	X-RAY DIFFRACTION X-ray结晶条件 pH 6；pH 6.0	分辨率 2.50 Å
3NZ6 Structural Analysis of Pneumocystis carinii and Human DHFR Complexes with NADPH and a Series of Five Potent 5-(omega-Carboxy(alkyloxy)Pyrido[2,3-d]pyrimidine Derivatives 提交 2010-07-16	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 X 1–206（206 aa）	未记录	D2J 6-{3-[(2,4-diamino-5-methylpyrido[2,3-d]pyrimidin-6-yl)methyl]-4-methoxyphenoxy}hexanoic acid × 1 NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；273 K；33-36% PEG 2K, 46-52 mM MES pH 6 100 mM KCL, VAPOR DIFFUSION, HANGING DROP, temperature 273K	分辨率 2.00 Å R-free 0.287
3NZ9 Structural Analysis of Pneumocystis carinii and Human DHFR Complexes with NADPH and a Series of Five Potent 5-(omega-Carboxy(alkyloxy)Pyrido[2,3-d]pyrimidine Derivatives 提交 2010-07-16	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 X 1–206（206 aa）	未记录	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 D2K ethyl 4-{3-[(2,4-diamino-5-methylpyrido[2,3-d]pyrimidin-6-yl)methyl]-4-methoxyphenoxy}butanoate × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；273 K；33-336% PEG 2K, 46-52 mM MES pH 6 100 mM KCl, VAPOR DIFFUSION, HANGING DROP, temperature 273K	分辨率 1.80 Å R-free 0.272
3NZA Structural Analysis of Pneumocystis carinii and Human DHFR Complexes with NADPH and a Series of Five Potent 5-(omega-Carboxy(alkyloxy)pyrido[2,3-d]pyrimidine Derivatives 提交 2010-07-16	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 X 1–206（206 aa）	未记录	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 D2K ethyl 4-{3-[(2,4-diamino-5-methylpyrido[2,3-d]pyrimidin-6-yl)methyl]-4-methoxyphenoxy}butanoate × 1 CL CHLORIDE ION × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；273 K；33-36% PEG 2K, 46-52 mM MES pH 6.0, 100 mM KCl, VAPOR DIFFUSION, HANGING DROP, temperature 273K	分辨率 1.90 Å R-free 0.282
3NZB Structural Analysis of Pneumocystis carinii and Human DHFR Complexes with NADPH and a Series of Potent 5-(omega-carboxyl(alkyloxy)pyrido[2,-d]pyrimidine Derivatives 提交 2010-07-16	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 X 1–206（206 aa）	未记录	D2N ethyl 6-{3-[(2,4-diamino-5-methylpyrido[2,3-d]pyrimidin-6-yl)methyl]-4-methoxyphenoxy}hexanoate × 2 NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；273 K；33-36% PEG 2K, 46-52 mM MES, 100 mM KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K	分辨率 1.45 Å R-free 0.295
3TD8 Structural Analysis of Pneumocystis carinii Dihydrofolate Reductase Complex with NADPH and 2,4-diamino-5-methyl-6-[2'-(4-carboxy-1-pentynyl)-5'-methoxybenzyl]pyrido[2,3-d]pyrimidine 提交 2011-08-10	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 D2R 6-{2-[(2,4-diamino-5-methylpyrido[2,3-d]pyrimidin-6-yl)methyl]-4-methoxyphenyl}hex-5-ynoic acid × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；273 K；33% PEG 2K, 46 mM MES, pH 6.0, 100 mM KCl, VAPOR DIFFUSION, HANGING DROP, temperature 273K	分辨率 1.80 Å R-free 0.259
4CD2 LIGAND INDUCED CONFORMATIONAL CHANGES IN THE CRYSTAL STRUCTURES OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE COMPLEXES WITH FOLATE AND NADP+ 提交 1999-03-18	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 A 1–206（206 aa）	未记录	FOL FOLIC ACID × 1	X-RAY DIFFRACTION X-ray结晶条件 pH 6；pH 6.0	分辨率 2.00 Å
4G8Z pcDHFR K37S/F69N double mutant TMP NADPH ternary complex 提交 2012-07-23	构建体不同突变/修饰不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 X 3–206（204 aa）片段：dihydrofolate reductase	突变：K37S and F69N	TOP TRIMETHOPRIM × 1 NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；287 K；33-36% PEG 2K, 50 mM MES, pH 6.0, 100 mM KCl, VAPOR DIFFUSION, HANGING DROP, temperature 287K	分辨率 1.75 Å R-free 0.316
4IXE pcDHFR-NADPH-270 提交 2013-01-25	配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 D 1–206（206 aa）	未记录	IXE N~6~-methyl-N~6~-(3,4,5-trifluorophenyl)pyrido[2,3-d]pyrimidine-2,4,6-triamine × 1 NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 7.5；287 K；0.1 HEPS, 25% PEG2000 MME, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 287K	分辨率 1.54 Å R-free 0.220
4IXF pcDHFR-269 F69N variant 提交 2013-01-25	突变/修饰不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 X 1–206（206 aa）	突变：F69N	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 IXF N~6~-methyl-N~6~-[4-(propan-2-yl)phenyl]pyrido[2,3-d]pyrimidine-2,4,6-triamine × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；287 K；35% PEG 2000, 49 mM MES, 100 mM KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 287K	分辨率 1.70 Å R-free 0.248
4IXG pcDHFR-268-K37S-N69F variant 提交 2013-01-25	突变/修饰不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 X 1–206（206 aa）	突变：K37S, F69N	NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 IXG N~6~-methyl-N~6~-phenylpyrido[2,3-d]pyrimidine-2,4,6-triamine × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；287 K；35% PEG2000, 49 mM MES, 100 mM KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 287K	分辨率 1.70 Å R-free 0.280
4QJZ Pneumocystis carinii dihydrofolate reductase ternary complex with NADPH and the inhibitor 24, (N~6~-METHYL-N~6~-(NAPHTHALEN-1-YL)PYRIDO[2,3-D]PYRIMIDINE-2,4,6-TRIAMINE) 提交 2014-06-05	构建体不同配体/离子不同实验环境不同结构质量不同	Assembly 1 蛋白单体单体；蛋白 × 1 PDB 声明：monomeric	链 D 1–206（206 aa）片段：Pneumocystis carinii dihydrofolate reductase	未记录	33M N~6~-methyl-N~6~-(naphthalen-1-yl)pyrido[2,3-d]pyrimidine-2,4,6-triamine × 1 NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1	X-RAY DIFFRACTION X-ray结晶条件 VAPOR DIFFUSION, HANGING DROP；pH 6；287 K；ProComplex #11: 0.1 M HEPES, pH 7.5, 25% PEG2KMME, VAPOR DIFFUSION, HANGING DROP, temperature 287K	分辨率 1.61 Å R-free 0.245

共 24 个其他 PDB 条目、24 个 assembly。打开独立比较页并筛选聚集状态

查看构建体与数据证据

UniProt名称	DYR_PNECA
Isoform	—
PDB实体	1
链与序列区间	作者链 X； PDB构建体 1–206； UniProt 1–206

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	3nzc
沉积日期 deposition_date	2010-07-16
结构标题 title	Structural Analysis of Pneumocystis carinii and Human DHFR Complexes with NADPH and a Series of Five Potent 5-(omega-carboxy(alkyloxy)pyrido[2,3-d]pyridine Derivativea
关键词 keywords	pneumocystis carinii DHFR inhibitor complexes, OXIDOREDUCTASE, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR complex; OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
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	18.05 Å
回转半径 Rg (电子) rg_electron	16.65 Å
零角强度 I(0) i0	10426200.00
分子量 molecular_weight	24583.0 kDa
排除体积 excluded_volume	31064 Å³
包络体积 envelope_volume	35274 Å³
水化壳体积 shell_volume	17421 Å³
包络直径 envelope_diameter	55.6 Å
壳层 Rg shell_rg	23.02 Å
包络 Rg envelope_rg	17.00 Å
形状 Rg shape_rg	16.64 Å
总 Rg total_rg	17.75 Å
总原子数 total_atoms	1750
残基数 n_residues	206
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	56.4 Å
Rg (实空间) rg_real	17.90 Å
Rg 误差 (实空间) rg_real_error	0.33 Å
I(0) (实空间) i0_real	1.0430e+07
I(0) 误差 (实空间) i0_real_error	1.2430e+05
Rg (倒空间) rg_reciprocal	17.92 Å
I(0) (倒空间) i0_reciprocal	10430000.0000
解质量估计 total_estimate	0.8908
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	24.4 Å
偏度 Skewness skewness	0.094
峰度 Kurtosis kurtosis	-0.428
角度范围 angular_range	— – 0.4400 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	2676000.0000
实空间数据点数 n_real_points	75
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.869; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.991

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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 (5)

实体 1 Entity 1 polymer

描述 description	Dihydrofolate reductase
分子量 formula_weight	23918.5 kDa
EC 编号 ec_number	1.5.1.3
来源方法 src_method	man
拷贝数 entity_count	1

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	X
原子数 atom_count	1798

MNQQKSLTLIVALTTSYGIGRSNSLPWKLKKEISYFKRVTSFVPTFDSFESMNVVLMGRKTWESIPLQFRPLKGRINVVITRNESLDLGNGIHSAKSLDHALELLYRTYGSESSVQINRIFVIGGAQLYKAAMDHPKLDRIMATIIYKDIHCDVFFPLKFRDKEWSSVWKKEKHSDLESWVGTKVPHGKINEDGFDYEFEMWTRDL

来源 Source

来源生物 organism	Pneumocystis carinii
NCBI 分类编号 ncbi_taxonomy_id	4754
宿主生物 host_organism	Escherichia coli

实体 2 Entity 2 non-polymer

描述 description	6-[2-methoxy-5-(2-phenylethoxy)benzyl]-5-methylpyrido[2,3-d]pyrimidine-2,4-diamine
分子量 formula_weight	415.5 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

实体 3 Entity 3 non-polymer

描述 description	PHOSPHATE ION
分子量 formula_weight	95.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

实体 4 Entity 4 non-polymer

描述 description	GLYCEROL
分子量 formula_weight	92.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

实体 5 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	48

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7. 折叠分类 (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

结构域编号 domain_id	d3nzcx_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.71 — Dihydrofolate reductase-like
超家族 Superfamily superfamily	c.71.1 — Dihydrofolate reductase-like
家族 Family family	c.71.1.1 — Dihydrofolate reductases

CATH v4.4 (1 domains)

结构域编号 domain_id	3nzcX00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	430 — Dihydrofolate Reductase, subunit A
同源超家族 H-superfamily homologous superfamily	10 — Dihydrofolate Reductase, subunit A

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8. 引用文献 (1)

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晶胞边长 a length_a	36.859 Å
晶胞边长 b length_b	42.667 Å
晶胞边长 c length_c	59.936 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	94.77 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	2

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	2.000 Å
最低分辨率 resolution_low	32.510 Å
R 因子 r_factor	0.2122
R_work r_work	0.2095
R_free r_free	0.2604

fit	/app/data/saxs_computation/nz/3nzc/3nzc.fit
pddf	/app/data/pr_computation/nz/3nzc/3nzc.pr.out
profile	/app/data/saxs_computation/nz/3nzc/3nzc.dat

Structural Analysis of Pneumocystis carinii and Human DHFR Complexes with NADPH and a Series of Five Potent 5-(omega-carboxy(alkyloxy)pyrido[2,3-d]pyridine Derivativea

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

Dihydrofolate reductase

当前结构中的状态

数据库中的同蛋白其他状态

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