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データを開く
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基本情報
登録情報 | データベース: PDB / ID: 1qzv | |||||||||
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タイトル | Crystal structure of plant photosystem I | |||||||||
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![]() | PHOTOSYNTHESIS / PLANT PHOTOSYNTHETIC REACTION CENTER / PERIPHERAL ANTENNA / LIGHT-HARVESTING SYSTEM / PLANT MEMBRANE PROTEIN COMPLEX | |||||||||
機能・相同性 | CHLOROPHYLL A / PHYLLOQUINONE / IRON/SULFUR CLUSTER![]() | |||||||||
生物種 | ![]() ![]() | |||||||||
手法 | ![]() ![]() ![]() | |||||||||
![]() | Ben-Shem, A. / Frolow, F. / Nelson, N. | |||||||||
![]() | ![]() タイトル: Crystal structure of plant photosystem I. 著者: Ben-Shem, A. / Frolow, F. / Nelson, N. | |||||||||
履歴 |
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Remark 999 | SEQUENCE AND NOMENCLATURE: THE NUMBERING OF RESIDUES IN CHAINS A,B,C,D,E,F,I,J,K,L IS DERIVED FROM ... SEQUENCE AND NOMENCLATURE: THE NUMBERING OF RESIDUES IN CHAINS A,B,C,D,E,F,I,J,K,L IS DERIVED FROM PAIR-WISE ALIGNMENT BETWEEN THE SEQUENCE IN HIGHER PLANTS AND THAT IN CYANOBACTERIA (SYNECHOCOCCUS ELONGATUS) AND FROM COMPARISON OF THE PLANT STRUCTURE TO THE CYANOBACTERIAL STRUCTURE (PDB CODE 1JB0). SINCE THE RESULTS FROM SUCH A PROCEDURE MIGHT NOT BE EXACT, RESIDUE TYPE IN MOST CASES IS DESIGNATED AS UNKNOWN (UNK). IN CHAIN D RESIDUES D1-D22 CORRESPOND TO AN ADDITIONAL N-TERMINAL DOMAIN THAT HAS NO PARALLEL IN CYANOBACTERIA. DUE TO DISCONTINUITY IN THE MAP AND THE MODEL (NEXT RESIDUE IS D31) THE POSSIBILITY EXISTS THAT THE DIRECTION OF THIS SEGMENT IS ACTUALLY D22 -> D1. NUMBERING OF RESIDUES IN CHAINS H AND G SHOULD BE REGARDED AS SPECULATIVE. MOST SECONDARY STRUCTURE PREDICTING PROGRAMS SUGGEST THAT THE TRANSMEMBRANE HELIX OF CHAIN H IS LOCATED TOWARDS THE C-TERMINUS OF THIS CHAIN. THIS SUGGESTION WAS ADOPTED HERE. SUBUNIT G HAS TWO TRANSMEMBRANe HELICES - ONE TOWARDS THE N-TERMINUS AND THE OTHER TOWARDS THE C-TERMINUS. OUR CHOICE REGARDING WHICH OF THE TWO OBSERVED HELICES SHOULD BE ASSIGNED TO THE N-TERMINUS AND WHICH TO THE C-TERMINUS IS ARBITRARY. NUMBERING OF RESIDUES IN THE FOUR LHCI SUBUNITS IS BASED ON MULTIPLE SEQUENCE ALIGNMENT OF SEVERAL LHCI AND LHCII PROTEINS (SEE MELKOZERNOV AND BLANKENSHIP 2003). WE IDENTIFIED IN THE MODEL AND IN THE ALIGNMENT THE RESIDUES THAT SEEM TO BE THE LIGANDS OF CHLOROPHYLLS A1,A2,A3,A4,A5,A6,B3,B5,B6 (LABELING AS IN LHCII). THESE ANCHOR POINTS DETERMINED RESIDUE NUMBERING OF HELICES A,B,C,D AND THEIR CONTINUATIONS IN ALL LHCI SUBUNITS. AS FOR RESIDUE NUMBERS IN LOOPS THAT ARE NOT CONNECTED TO THE HELICES IN THE MODEL (DISCONTINUITIES)- THESE ARE SPECULATIVE. IN LHCA3 ONLY, THE TRANSMEMBRANE HELIX CLOSEST TO HELIX C IS NOT THE LONGEST OF THE TWO TILTED TRANSMEMBRANE HELICES (LABELING AS IN KUHLBRANDT ET AL. 1994). THIS MIGHT INDICATE THAT IN LHCA3 THE HELIX CLOSEST TO HELIX C IS NOT THE FIRST HELIX (FROM THE N-TERMINUS) BUT THE THIRD ONE. THE ELECTRON DENSITY MAP IS NOT CONCLUSIVE HERE BUT SEEMS TO SUGGEST THAT THIS MIGHT BE THE CASE. IF THIS IS TRUE, AND LHCA3 FOLDS DIFFERENTLY, THEN THE NUMBERING OF RESIDUES IN LHCA3 MUST CHANGE ACCORDINGLY. C-ALPHA ATOMS ONLY WERE SUBMITTED FOR THIS MODEL. CHLOROPHYLL NOTATION: REACTION CENTER CHLOROPHYLLS - FOLLOW THE NOTATION OF THE CYANOBACTERIAL STRUCTURE PDB CODE 1JB0 (NO CHAIN I.D.) "GAP" CHLOROPHYLLS (SEE BEN-SHEM ET AL. NATURE 426 630-635) - NO CHAIN I.D., RESIDUE NUMBERS 4001-4010. THESE DO NOT INCLUDE "LINKER" CHLOROPHYLLS. LHCI CHLOROPHYLLS - CHAIN I.D. 1,2,3,4 CORRESPONDING TO LHCA1-4. RESIDUE NUMBERS 1011-1017 IDENTIFY CHLOROPHYLLS AT POSITIONS SIMILAR TO A1-A7 IN LHCII. RESIDUE NUMBERS 1021-1026 IDENTIFY CHLOROPHYLLS AT POSITIONS SIMILAR TO B1-B6 IN LHCII, RESIDUE NUMBERS 1031-1033 IDENTIFY "LINKER" CHLOROPHYLLS. RESIDUE NUMBER 1041 IDENTIFY ONE CHLOROPHYLL IN LHCA3 WHICH IS IN A POSITION BETWEEN A3 AND B3. CHLOROPHYLLS WITH CHAIN I.D. 7,8,9,0 ARE THE SYMMETRY EQUIVALENTS OF CHLOROPHYLLS WITH CHAIN I.D. 1,2,3,4. CHLOROPHYLLS NUMBERED 5011-5901 ARE THE SYMMETRY EQUIVALENTS OF CHLOROPHYLLS NUMBERED 1011-1901. CHLOROPHYLLS NUMBERED 8001-8010 ARE THE SYMMETRY EQUIVALENTS OF CHLOROPHYLLS NUMBERED 4001-4010. PQN 6001 AND 6002 ARE THE SYMMETRY EQUIVALENTS OF PQN 2001 AND 2002. FS4 MOLECULES 7001-7003 ARE THE SYMMETRY EQUIVALENTS OF FS4 MOLECULES 3001-3003. | |||||||||
Remark 600 | HETEROGEN ATOMS C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26, ...HETEROGEN ATOMS C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, AND C30 FOR LIGAND PQN ARE MISSING IN THE COORDINATES. ATOMS CMA, CAA, CBA, CGA, O1A, O2A, CMB, CAB, CBB, CMC, CAC, CBC, CMD, CAD, OBD, CBD, CGD, O1D, O2D, CED, C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, AND C20 FOR LIGAND CLA ARE MISSING IN THE COORDINATES. CHLOROPHYLLS WERE MODELLED BY PORPHYRINS. | |||||||||
Remark 400 | COMPOUND THE ASYMMETRIC UNIT CONTAINS 2 MONOMERS. EACH MONOMER IS A BIOLOGICAL UNIT. MONOMER ONE ... COMPOUND THE ASYMMETRIC UNIT CONTAINS 2 MONOMERS. EACH MONOMER IS A BIOLOGICAL UNIT. MONOMER ONE CONSISTS OF CHAINS A-L AND 1-4. MONOMER TWO CONSISTS OF CHAINS P-Z AND 5-0. CHAIN IDS P-Z AND 5-0 ARE FOR THE CHAIN ID ASSIGNMENT IN THE PDB FILE ONLY AND ARE NOT SUPPOSED TO IMPLY THEY ARE SUBUNITS THAT ARE NOT PART OF THE FIRST MONOMER. THE CHAINS ARE RELATED BY NCS IN THE FOLLOWING WAY: CHAIN P IS THE NCS PARTNER OF CHAIN A. CHAIN Q IS THE NCS PARTNER OF CHAIN B. CHAIN R IS THE NCS PARTNER OF CHAIN C. CHAIN S IS THE NCS PARTNER OF CHAIN D. CHAIN T IS THE NCS PARTNER OF CHAIN E. CHAIN U IS THE NCS PARTNER OF CHAIN F. CHAIN V IS THE NCS PARTNER OF CHAIN G. CHAIN W IS THE NCS PARTNER OF CHAIN H. CHAIN Y IS THE NCS PARTNER OF CHAIN I. CHAIN Z IS THE NCS PARTNER OF CHAIN J. CHAIN 5 IS THE NCS PARTNER OF CHAIN K. CHAIN 6 IS THE NCS PARTNER OF CHAIN L. CHAIN 7 IS THE NCS PARTNER OF CHAIN 1. CHAIN 8 IS THE NCS PARTNER OF CHAIN 2. CHAIN 9 IS THE NCS PARTNER OF CHAIN 3. CHAIN 0 IS THE NCS PARTNER OF CHAIN 4. | |||||||||
Remark 295 | NON-CRYSTALLOGRAPHIC SYMMETRY THE TRANSFORMATIONS PRESENTED ON THE MTRIX RECORDS BELOW DESCRIBE ... NON-CRYSTALLOGRAPHIC SYMMETRY THE TRANSFORMATIONS PRESENTED ON THE MTRIX RECORDS BELOW DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG ATOMS IN THIS ENTRY. APPLYING THE APPROPRIATE MTRIX TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL YIELD APPROXIMATE COORDINATES FOR THE RESIDUES LISTED SECOND. CHAIN IDENTIFIERS GIVEN AS "?" REFER TO CHAINS FOR WHICH ATOMS ARE NOT FOUND IN THIS ENTRY. APPLIED TO TRANSFORMED TO TRANSFORM CHAIN RESIDUES CHAIN RESIDUES RMSD SSS M 1 A 29 .. 758 P 29 .. 758 0.000 WHERE SSS -> COLUMNS 8-10 OF MTRIX RECORDS REMARK: THE RMSD IS 0.00 IN ALL TRANSFORMED CHAINS. THEY WERE ALL GENERATED AUTOMATICALLY BY EXACTLY THE SAME TRANSFORMATION, FROM THE FIRST MONOMER. |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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ダウンロードとリンク
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ダウンロード
PDBx/mmCIF形式 | ![]() | 454.6 KB | 表示 | ![]() |
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PDB形式 | ![]() | 324.5 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
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-関連構造データ
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リンク
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集合体
登録構造単位 | ![]()
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2 | ![]()
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単位格子 |
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非結晶学的対称性 (NCS) | NCS oper: (Code: given Matrix: (0.82712, -0.02534, 0.56146), ベクター: |
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要素
-PLANT PHOTOSYSTEM I: SUBUNIT ... , 12種, 24分子 APBQCRDSETFUGVHWIYJZK5L6
#1: タンパク質 | 分子量: 61804.074 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #2: タンパク質 | 分子量: 62314.688 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #3: タンパク質 | 分子量: 6826.406 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #4: タンパク質 | 分子量: 13124.170 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #5: タンパク質 | 分子量: 5464.728 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #6: タンパク質 | 分子量: 13804.815 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #7: タンパク質 | 分子量: 6315.777 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #8: タンパク質 | 分子量: 4443.468 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #9: タンパク質・ペプチド | 分子量: 2571.161 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #10: タンパク質・ペプチド | 分子量: 3507.314 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #11: タンパク質・ペプチド | 分子量: 3592.419 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #12: タンパク質 | 分子量: 11507.176 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() |
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-PLANT LIGHT HARVESTING COMPLEX I(LHCI): SUBUNIT ... , 4種, 8分子 17283940
#13: タンパク質 | 分子量: 9294.448 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #14: タンパク質 | 分子量: 9805.078 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #15: タンパク質 | 分子量: 9975.288 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() #16: タンパク質 | 分子量: 10145.497 Da / 分子数: 2 / 由来タイプ: 天然 / 由来: (天然) ![]() ![]() |
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-非ポリマー , 3種, 344分子 




#17: 化合物 | ChemComp-CLA / #18: 化合物 | ChemComp-PQN / #19: 化合物 | ChemComp-SF4 / |
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-実験情報
-実験
実験 | 手法: ![]() |
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試料調製
結晶化 | 温度: 277 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 6.6 詳細: Ben-Shem, A., Nelson, N., Frolow, F. (2003) Acta Crystallogr D. 59:1824-7. PEG 6000, AMMONIUM CITRATE, PEG 400, MES, BIS-TRIS, DODECYL-THIO-MALTOSIDE, pH 6.6, VAPOR DIFFUSION, SITTING DROP, temperature 277K | ||||||||||||||||||||||||||||||||||||
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結晶化 | *PLUS 温度: 277 K / 手法: 蒸気拡散法, シッティングドロップ法 / 詳細: Ben-Shem, A., (2003) Acta Cryst., D59, 1824. | ||||||||||||||||||||||||||||||||||||
溶液の組成 | *PLUS
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-データ収集
回折 |
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放射光源 |
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検出器 |
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放射 | プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray | |||||||||||||||
放射波長 |
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反射 | 解像度: 4.44→50 Å / Num. all: 92318 / Num. obs: 92318 / % possible obs: 99.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / 冗長度: 9 % / Rmerge(I) obs: 0.099 / Rsym value: 0.099 / Net I/σ(I): 18.8 | |||||||||||||||
反射 シェル | 解像度: 4.44→4.52 Å / 冗長度: 7 % / Rmerge(I) obs: 0.86 / Mean I/σ(I) obs: 2.05 / Num. unique all: 4562 / Rsym value: 0.86 / % possible all: 99.5 |
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解析
ソフトウェア |
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精密化 | 構造決定の手法: ![]() 詳細: RIGID BODY REFINEMENT, BULK SOLVENT CORRECTION AND TLS REFINEMENT (OF CORE REGION).
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精密化ステップ | サイクル: LAST / 解像度: 4.44→50 Å
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