HEADER PHOTOSYNTHESIS 29-JUL-20 6ZXA TITLE LH2 COMPLEX FROM MARICHROMATIUM PURPURATUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: LHC DOMAIN-CONTAINING PROTEIN; COMPND 3 CHAIN: A, C, E, G, I, K, M; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: LIGHT-HARVESTING PROTEIN B:800-850 SUBUNIT BETA; COMPND 6 CHAIN: B, D, F, H, J, L, N SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MARICHROMATIUM PURPURATUM 984; SOURCE 3 ORGANISM_TAXID: 765910; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: MARICHROMATIUM PURPURATUM 984; SOURCE 6 ORGANISM_TAXID: 765910 KEYWDS PHOTOSYNTHESIS, PURPLE BACTERIA, LIGHT HARVESTING COMPLEX, KEYWDS 2 MARICHROMATIUM PURPURATUM, OKENONE. EXPDTA ELECTRON MICROSCOPY AUTHOR A.T.GARDINER,K.NAYDENOVA,P.CASTRO-HARTMANN,T.C.NGUYEN-PHAN,C.J.RUSSO, AUTHOR 2 K.SADER,C.N.HUNTER,R.J.COGDELL,P.QIAN REVDAT 2 01-MAY-24 6ZXA 1 REMARK REVDAT 1 24-FEB-21 6ZXA 0 JRNL AUTH A.T.GARDINER,K.NAYDENOVA,P.CASTRO-HARTMANN,T.C.NGUYEN-PHAN, JRNL AUTH 2 C.J.RUSSO,K.SADER,C.N.HUNTER,R.J.COGDELL,P.QIAN JRNL TITL THE 2.4 ANGSTROM CRYO-EM STRUCTURE OF A HEPTAMERIC JRNL TITL 2 LIGHT-HARVESTING 2 COMPLEX REVEALS TWO CAROTENOID ENERGY JRNL TITL 3 TRANSFER PATHWAYS. JRNL REF SCI ADV V. 7 2021 JRNL REFN ESSN 2375-2548 JRNL PMID 33579696 JRNL DOI 10.1126/SCIADV.ABE4650 REMARK 2 REMARK 2 RESOLUTION. 2.38 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CISTEM, EPU, CTFFIND, COOT, UCSF REMARK 3 CHIMERA, PHENIX, REFMAC, RELION, RELION, REMARK 3 RELION, RELION REMARK 3 RECONSTRUCTION SCHEMA : BACK PROJECTION REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : 1LGH REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : 22.550 REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 2.380 REMARK 3 NUMBER OF PARTICLES : 414511 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 6ZXA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 31-JUL-20. REMARK 100 THE DEPOSITION ID IS D_1292110000. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : LIGHT HARVESTING COMPLEX 2 REMARK 245 (LH2) REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 5.50 REMARK 245 SAMPLE SUPPORT DETAILS : FISCHIONE 1070 REMARK 245 SAMPLE VITRIFICATION DETAILS : BLOWING TIME, 10.0 SEC. REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 8.00 REMARK 245 SAMPLE DETAILS : THE LH2 COMPLEX FROM MAR. REMARK 245 PURPURATUM FORMS A CIRCULAR HEPTAMETER. EACH SUBUNIT CONSISTS OF REMARK 245 AN ALPHA/BETA PAIR, IN WHICH ALL PIGMENT MOLECULES, THREE BCHL A REMARK 245 AND TWO CAROTENOIDS ARE BOUND NON-COVALENTLY. REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 9543 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2400.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 4370.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 120000 REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRADECAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRADECAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 79730 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 31600 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -582.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F, G, H, I, J, REMARK 350 AND CHAINS: K, L, M, N REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 ALA B 1 REMARK 465 ASP B 2 REMARK 465 PRO B 3 REMARK 465 LYS B 4 REMARK 465 MET C 1 REMARK 465 ALA D 1 REMARK 465 ASP D 2 REMARK 465 PRO D 3 REMARK 465 LYS D 4 REMARK 465 MET E 1 REMARK 465 ALA F 1 REMARK 465 ASP F 2 REMARK 465 PRO F 3 REMARK 465 LYS F 4 REMARK 465 MET G 1 REMARK 465 ALA H 1 REMARK 465 ASP H 2 REMARK 465 PRO H 3 REMARK 465 LYS H 4 REMARK 465 MET I 1 REMARK 465 ALA J 1 REMARK 465 ASP J 2 REMARK 465 PRO J 3 REMARK 465 LYS J 4 REMARK 465 MET K 1 REMARK 465 ALA L 1 REMARK 465 ASP L 2 REMARK 465 PRO L 3 REMARK 465 LYS L 4 REMARK 465 MET M 1 REMARK 465 ALA N 1 REMARK 465 ASP N 2 REMARK 465 PRO N 3 REMARK 465 LYS N 4 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 MET A 7 70.76 27.49 REMARK 500 ALA A 8 34.01 75.18 REMARK 500 ILE A 15 -64.01 -98.67 REMARK 500 ASP A 20 34.76 -97.14 REMARK 500 ASP A 21 -163.60 -69.84 REMARK 500 TRP A 22 -18.26 65.94 REMARK 500 MET A 34 -21.24 77.45 REMARK 500 GLN A 68 49.78 37.11 REMARK 500 TRP B 47 -3.78 63.79 REMARK 500 MET C 7 70.76 27.49 REMARK 500 ALA C 8 34.01 75.18 REMARK 500 ILE C 15 -64.01 -98.67 REMARK 500 ASP C 20 34.76 -97.14 REMARK 500 ASP C 21 -163.60 -69.84 REMARK 500 TRP C 22 -18.26 65.94 REMARK 500 MET C 34 -21.24 77.45 REMARK 500 GLN C 68 49.78 37.11 REMARK 500 TRP D 47 -3.78 63.79 REMARK 500 MET E 7 70.75 27.49 REMARK 500 ALA E 8 34.01 75.18 REMARK 500 ILE E 15 -64.01 -98.67 REMARK 500 ASP E 20 34.76 -97.14 REMARK 500 ASP E 21 -163.60 -69.84 REMARK 500 TRP E 22 -18.26 65.94 REMARK 500 MET E 34 -21.24 77.45 REMARK 500 GLN E 68 49.78 37.11 REMARK 500 TRP F 47 -3.78 63.79 REMARK 500 MET G 7 70.75 27.49 REMARK 500 ALA G 8 34.01 75.18 REMARK 500 ILE G 15 -64.01 -98.67 REMARK 500 ASP G 20 34.76 -97.14 REMARK 500 ASP G 21 -163.60 -69.84 REMARK 500 TRP G 22 -18.26 65.94 REMARK 500 MET G 34 -21.24 77.45 REMARK 500 GLN G 68 49.78 37.11 REMARK 500 TRP H 47 -3.78 63.79 REMARK 500 MET I 7 70.75 27.49 REMARK 500 ALA I 8 34.01 75.18 REMARK 500 ILE I 15 -64.01 -98.67 REMARK 500 ASP I 20 34.76 -97.14 REMARK 500 ASP I 21 -163.60 -69.84 REMARK 500 TRP I 22 -18.26 65.94 REMARK 500 MET I 34 -21.24 77.45 REMARK 500 GLN I 68 49.78 37.11 REMARK 500 TRP J 47 -3.77 63.79 REMARK 500 MET K 7 70.76 27.49 REMARK 500 ALA K 8 34.01 75.18 REMARK 500 ILE K 15 -64.01 -98.67 REMARK 500 ASP K 20 34.76 -97.14 REMARK 500 ASP K 21 -163.60 -69.84 REMARK 500 REMARK 500 THIS ENTRY HAS 63 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 MET A 6 MET A 7 144.17 REMARK 500 GLU A 10 SER A 11 -148.50 REMARK 500 MET C 6 MET C 7 144.17 REMARK 500 GLU C 10 SER C 11 -148.50 REMARK 500 MET E 6 MET E 7 144.17 REMARK 500 GLU E 10 SER E 11 -148.50 REMARK 500 MET G 6 MET G 7 144.17 REMARK 500 GLU G 10 SER G 11 -148.50 REMARK 500 MET I 6 MET I 7 144.17 REMARK 500 GLU I 10 SER I 11 -148.50 REMARK 500 MET K 6 MET K 7 144.17 REMARK 500 GLU K 10 SER K 11 -148.50 REMARK 500 MET M 6 MET M 7 144.17 REMARK 500 GLU M 10 SER M 11 -148.50 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BCL A 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 21 OD2 REMARK 620 2 BCL A 101 NA 92.1 REMARK 620 3 BCL A 101 NB 124.0 90.2 REMARK 620 4 BCL A 101 NC 103.5 161.2 89.7 REMARK 620 5 BCL A 101 ND 77.3 88.4 158.7 85.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BCL C 102 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP C 21 OD2 REMARK 620 2 BCL C 102 NA 92.2 REMARK 620 3 BCL C 102 NB 124.9 90.2 REMARK 620 4 BCL C 102 NC 103.3 161.2 89.7 REMARK 620 5 BCL C 102 ND 76.4 88.4 158.7 85.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BCL E 102 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP E 21 OD2 REMARK 620 2 BCL E 102 NA 91.6 REMARK 620 3 BCL E 102 NB 123.7 90.2 REMARK 620 4 BCL E 102 NC 104.1 161.2 89.7 REMARK 620 5 BCL E 102 ND 77.6 88.4 158.7 85.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BCL G 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP G 21 OD2 REMARK 620 2 BCL G 101 NA 92.1 REMARK 620 3 BCL G 101 NB 123.9 90.2 REMARK 620 4 BCL G 101 NC 103.6 161.2 89.7 REMARK 620 5 BCL G 101 ND 77.3 88.4 158.7 85.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BCL I 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP I 21 OD2 REMARK 620 2 BCL I 101 NA 91.5 REMARK 620 3 BCL I 101 NB 123.4 90.2 REMARK 620 4 BCL I 101 NC 104.2 161.2 89.7 REMARK 620 5 BCL I 101 ND 77.8 88.4 158.7 85.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BCL K 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP K 21 OD2 REMARK 620 2 BCL K 101 NA 90.9 REMARK 620 3 BCL K 101 NB 123.8 90.2 REMARK 620 4 BCL K 101 NC 104.8 161.2 89.7 REMARK 620 5 BCL K 101 ND 77.4 88.4 158.7 85.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BCL M 102 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP M 21 OD2 REMARK 620 2 BCL M 102 NA 92.5 REMARK 620 3 BCL M 102 NB 123.1 90.2 REMARK 620 4 BCL M 102 NC 103.3 161.2 89.7 REMARK 620 5 BCL M 102 ND 78.1 88.4 158.7 85.0 REMARK 620 N 1 2 3 4 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-11516 RELATED DB: EMDB REMARK 900 LH2 COMPLEX FROM MARICHROMATIUM PURPURATUM DBREF 6ZXA A 1 70 UNP W0E6A1 W0E6A1_MARPU 1 70 DBREF 6ZXA B 1 48 UNP W0E5B0 W0E5B0_MARPU 2 49 DBREF 6ZXA C 1 70 UNP W0E6A1 W0E6A1_MARPU 1 70 DBREF 6ZXA D 1 48 UNP W0E5B0 W0E5B0_MARPU 2 49 DBREF 6ZXA E 1 70 UNP W0E6A1 W0E6A1_MARPU 1 70 DBREF 6ZXA F 1 48 UNP W0E5B0 W0E5B0_MARPU 2 49 DBREF 6ZXA G 1 70 UNP W0E6A1 W0E6A1_MARPU 1 70 DBREF 6ZXA H 1 48 UNP W0E5B0 W0E5B0_MARPU 2 49 DBREF 6ZXA I 1 70 UNP W0E6A1 W0E6A1_MARPU 1 70 DBREF 6ZXA J 1 48 UNP W0E5B0 W0E5B0_MARPU 2 49 DBREF 6ZXA K 1 70 UNP W0E6A1 W0E6A1_MARPU 1 70 DBREF 6ZXA L 1 48 UNP W0E5B0 W0E5B0_MARPU 2 49 DBREF 6ZXA M 1 70 UNP W0E6A1 W0E6A1_MARPU 1 70 DBREF 6ZXA N 1 48 UNP W0E5B0 W0E5B0_MARPU 2 49 SEQRES 1 A 70 MET LYS VAL PRO VAL MET MET ALA ASP GLU SER ILE ALA SEQRES 2 A 70 THR ILE ASN HIS PRO GLU ASP ASP TRP LYS ILE TRP THR SEQRES 3 A 70 VAL ILE ASN PRO ALA THR TRP MET VAL PRO PHE PHE GLY SEQRES 4 A 70 ILE LEU PHE VAL GLN MET TRP LEU ILE HIS SER TYR ALA SEQRES 5 A 70 LEU SER LEU PRO GLY TYR GLY PHE LYS ASP SER VAL ARG SEQRES 6 A 70 VAL ALA GLN PRO ALA SEQRES 1 B 48 ALA ASP PRO LYS ALA ALA ASN LEU SER GLY LEU THR ASP SEQRES 2 B 48 ALA GLN ALA LYS GLU PHE HIS GLU HIS TRP LYS HIS GLY SEQRES 3 B 48 VAL TRP SER TRP VAL MET ILE ALA SER ALA VAL HIS VAL SEQRES 4 B 48 VAL THR TRP ILE TYR GLN PRO TRP PHE SEQRES 1 C 70 MET LYS VAL PRO VAL MET MET ALA ASP GLU SER ILE ALA SEQRES 2 C 70 THR ILE ASN HIS PRO GLU ASP ASP TRP LYS ILE TRP THR SEQRES 3 C 70 VAL ILE ASN PRO ALA THR TRP MET VAL PRO PHE PHE GLY SEQRES 4 C 70 ILE LEU PHE VAL GLN MET TRP LEU ILE HIS SER TYR ALA SEQRES 5 C 70 LEU SER LEU PRO GLY TYR GLY PHE LYS ASP SER VAL ARG SEQRES 6 C 70 VAL ALA GLN PRO ALA SEQRES 1 D 48 ALA ASP PRO LYS ALA ALA ASN LEU SER GLY LEU THR ASP SEQRES 2 D 48 ALA GLN ALA LYS GLU PHE HIS GLU HIS TRP LYS HIS GLY SEQRES 3 D 48 VAL TRP SER TRP VAL MET ILE ALA SER ALA VAL HIS VAL SEQRES 4 D 48 VAL THR TRP ILE TYR GLN PRO TRP PHE SEQRES 1 E 70 MET LYS VAL PRO VAL MET MET ALA ASP GLU SER ILE ALA SEQRES 2 E 70 THR ILE ASN HIS PRO GLU ASP ASP TRP LYS ILE TRP THR SEQRES 3 E 70 VAL ILE ASN PRO ALA THR TRP MET VAL PRO PHE PHE GLY SEQRES 4 E 70 ILE LEU PHE VAL GLN MET TRP LEU ILE HIS SER TYR ALA SEQRES 5 E 70 LEU SER LEU PRO GLY TYR GLY PHE LYS ASP SER VAL ARG SEQRES 6 E 70 VAL ALA GLN PRO ALA SEQRES 1 F 48 ALA ASP PRO LYS ALA ALA ASN LEU SER GLY LEU THR ASP SEQRES 2 F 48 ALA GLN ALA LYS GLU PHE HIS GLU HIS TRP LYS HIS GLY SEQRES 3 F 48 VAL TRP SER TRP VAL MET ILE ALA SER ALA VAL HIS VAL SEQRES 4 F 48 VAL THR TRP ILE TYR GLN PRO TRP PHE SEQRES 1 G 70 MET LYS VAL PRO VAL MET MET ALA ASP GLU SER ILE ALA SEQRES 2 G 70 THR ILE ASN HIS PRO GLU ASP ASP TRP LYS ILE TRP THR SEQRES 3 G 70 VAL ILE ASN PRO ALA THR TRP MET VAL PRO PHE PHE GLY SEQRES 4 G 70 ILE LEU PHE VAL GLN MET TRP LEU ILE HIS SER TYR ALA SEQRES 5 G 70 LEU SER LEU PRO GLY TYR GLY PHE LYS ASP SER VAL ARG SEQRES 6 G 70 VAL ALA GLN PRO ALA SEQRES 1 H 48 ALA ASP PRO LYS ALA ALA ASN LEU SER GLY LEU THR ASP SEQRES 2 H 48 ALA GLN ALA LYS GLU PHE HIS GLU HIS TRP LYS HIS GLY SEQRES 3 H 48 VAL TRP SER TRP VAL MET ILE ALA SER ALA VAL HIS VAL SEQRES 4 H 48 VAL THR TRP ILE TYR GLN PRO TRP PHE SEQRES 1 I 70 MET LYS VAL PRO VAL MET MET ALA ASP GLU SER ILE ALA SEQRES 2 I 70 THR ILE ASN HIS PRO GLU ASP ASP TRP LYS ILE TRP THR SEQRES 3 I 70 VAL ILE ASN PRO ALA THR TRP MET VAL PRO PHE PHE GLY SEQRES 4 I 70 ILE LEU PHE VAL GLN MET TRP LEU ILE HIS SER TYR ALA SEQRES 5 I 70 LEU SER LEU PRO GLY TYR GLY PHE LYS ASP SER VAL ARG SEQRES 6 I 70 VAL ALA GLN PRO ALA SEQRES 1 J 48 ALA ASP PRO LYS ALA ALA ASN LEU SER GLY LEU THR ASP SEQRES 2 J 48 ALA GLN ALA LYS GLU PHE HIS GLU HIS TRP LYS HIS GLY SEQRES 3 J 48 VAL TRP SER TRP VAL MET ILE ALA SER ALA VAL HIS VAL SEQRES 4 J 48 VAL THR TRP ILE TYR GLN PRO TRP PHE SEQRES 1 K 70 MET LYS VAL PRO VAL MET MET ALA ASP GLU SER ILE ALA SEQRES 2 K 70 THR ILE ASN HIS PRO GLU ASP ASP TRP LYS ILE TRP THR SEQRES 3 K 70 VAL ILE ASN PRO ALA THR TRP MET VAL PRO PHE PHE GLY SEQRES 4 K 70 ILE LEU PHE VAL GLN MET TRP LEU ILE HIS SER TYR ALA SEQRES 5 K 70 LEU SER LEU PRO GLY TYR GLY PHE LYS ASP SER VAL ARG SEQRES 6 K 70 VAL ALA GLN PRO ALA SEQRES 1 L 48 ALA ASP PRO LYS ALA ALA ASN LEU SER GLY LEU THR ASP SEQRES 2 L 48 ALA GLN ALA LYS GLU PHE HIS GLU HIS TRP LYS HIS GLY SEQRES 3 L 48 VAL TRP SER TRP VAL MET ILE ALA SER ALA VAL HIS VAL SEQRES 4 L 48 VAL THR TRP ILE TYR GLN PRO TRP PHE SEQRES 1 M 70 MET LYS VAL PRO VAL MET MET ALA ASP GLU SER ILE ALA SEQRES 2 M 70 THR ILE ASN HIS PRO GLU ASP ASP TRP LYS ILE TRP THR SEQRES 3 M 70 VAL ILE ASN PRO ALA THR TRP MET VAL PRO PHE PHE GLY SEQRES 4 M 70 ILE LEU PHE VAL GLN MET TRP LEU ILE HIS SER TYR ALA SEQRES 5 M 70 LEU SER LEU PRO GLY TYR GLY PHE LYS ASP SER VAL ARG SEQRES 6 M 70 VAL ALA GLN PRO ALA SEQRES 1 N 48 ALA ASP PRO LYS ALA ALA ASN LEU SER GLY LEU THR ASP SEQRES 2 N 48 ALA GLN ALA LYS GLU PHE HIS GLU HIS TRP LYS HIS GLY SEQRES 3 N 48 VAL TRP SER TRP VAL MET ILE ALA SER ALA VAL HIS VAL SEQRES 4 N 48 VAL THR TRP ILE TYR GLN PRO TRP PHE HET BCL A 101 66 HET QS2 A 102 43 HET BCL B 101 66 HET BCL B 102 66 HET QS2 B 103 43 HET QSE C 101 43 HET BCL C 102 66 HET BCL D 101 66 HET BCL D 102 66 HET QSE E 101 43 HET BCL E 102 66 HET QS2 E 103 43 HET QSE F 101 43 HET BCL F 102 66 HET BCL F 103 66 HET BCL G 101 66 HET QS2 G 102 43 HET QSE H 101 43 HET BCL H 102 66 HET BCL H 103 66 HET BCL I 101 66 HET QS2 I 102 43 HET QSE J 101 43 HET BCL J 102 66 HET BCL J 103 66 HET BCL K 101 66 HET QS2 K 102 43 HET BCL L 101 66 HET BCL L 102 66 HET QSE M 101 43 HET BCL M 102 66 HET QS2 M 103 43 HET QSE N 101 43 HET BCL N 102 66 HET BCL N 103 66 HETNAM BCL BACTERIOCHLOROPHYLL A HETNAM QS2 9-CIS-OKENONE HETNAM QSE ALL-TRANS OKENONE FORMUL 15 BCL 21(C55 H74 MG N4 O6) FORMUL 16 QS2 7(C41 H54 O2) FORMUL 20 QSE 7(C41 H54 O2) HELIX 1 AA1 LYS A 23 VAL A 27 5 5 HELIX 2 AA2 MET A 34 LEU A 55 1 22 HELIX 3 AA3 THR B 12 GLN B 45 1 34 HELIX 4 AA4 LYS C 23 VAL C 27 5 5 HELIX 5 AA5 MET C 34 LEU C 55 1 22 HELIX 6 AA6 THR D 12 GLN D 45 1 34 HELIX 7 AA7 LYS E 23 VAL E 27 5 5 HELIX 8 AA8 MET E 34 LEU E 55 1 22 HELIX 9 AA9 THR F 12 GLN F 45 1 34 HELIX 10 AB1 LYS G 23 VAL G 27 5 5 HELIX 11 AB2 MET G 34 LEU G 55 1 22 HELIX 12 AB3 THR H 12 GLN H 45 1 34 HELIX 13 AB4 LYS I 23 VAL I 27 5 5 HELIX 14 AB5 MET I 34 LEU I 55 1 22 HELIX 15 AB6 THR J 12 GLN J 45 1 34 HELIX 16 AB7 LYS K 23 VAL K 27 5 5 HELIX 17 AB8 MET K 34 LEU K 55 1 22 HELIX 18 AB9 THR L 12 GLN L 45 1 34 HELIX 19 AC1 LYS M 23 VAL M 27 5 5 HELIX 20 AC2 MET M 34 LEU M 55 1 22 HELIX 21 AC3 THR N 12 GLN N 45 1 34 LINK OD2 ASP A 21 MG BCL A 101 1555 1555 2.87 LINK OD2 ASP C 21 MG BCL C 102 1555 1555 2.80 LINK OD2 ASP E 21 MG BCL E 102 1555 1555 2.75 LINK OD2 ASP G 21 MG BCL G 101 1555 1555 2.75 LINK OD2 ASP I 21 MG BCL I 101 1555 1555 2.74 LINK OD2 ASP K 21 MG BCL K 101 1555 1555 2.77 LINK OD2 ASP M 21 MG BCL M 102 1555 1555 2.71 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000