HEADER PHOTOSYNTHESIS 17-APR-20 6YQG TITLE CRYSTAL STRUCTURE OF NATIVE PHYCOCYANIN IN SPACEGROUP P63 AT 1.45 TITLE 2 ANGSTROMS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: C-PHYCOCYANIN ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: C-PHYCOCYANIN BETA CHAIN; COMPND 6 CHAIN: B; COMPND 7 OTHER_DETAILS: RESIDUE 72: N4-METHYLASPARAGINE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOSYNECHOCOCCUS ELONGATUS; SOURCE 3 ORGANISM_TAXID: 146786; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: THERMOSYNECHOCOCCUS ELONGATUS; SOURCE 6 ORGANISM_TAXID: 146786 KEYWDS C-PHYCOCYANIN, ANTENNA PROTEIN, PHOTOSYNTHESIS, LIGHT HARVEST EXPDTA X-RAY DIFFRACTION AUTHOR C.G.FEILER,S.FALKE,I.SARROU REVDAT 3 24-JAN-24 6YQG 1 REMARK REVDAT 2 17-FEB-21 6YQG 1 JRNL REVDAT 1 20-JAN-21 6YQG 0 JRNL AUTH I.SARROU,C.G.FEILER,S.FALKE,N.PEARD,O.YEFANOV,H.CHAPMAN JRNL TITL C-PHYCOCYANIN AS A HIGHLY ATTRACTIVE MODEL SYSTEM IN PROTEIN JRNL TITL 2 CRYSTALLOGRAPHY: UNIQUE CRYSTALLIZATION PROPERTIES AND JRNL TITL 3 PACKING-DIVERSITY SCREENING. JRNL REF ACTA CRYSTALLOGR D STRUCT V. 77 224 2021 JRNL REF 2 BIOL JRNL REFN ISSN 2059-7983 JRNL PMID 33559611 JRNL DOI 10.1107/S2059798320016071 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.17.1_3660 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.86 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.070 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 153468 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 1.370 REMARK 3 FREE R VALUE TEST SET COUNT : 2100 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 46.8600 - 3.5700 1.00 10144 144 0.1426 0.1825 REMARK 3 2 3.5700 - 2.8400 1.00 10083 140 0.1582 0.1713 REMARK 3 3 2.8400 - 2.4800 1.00 10151 142 0.1483 0.1820 REMARK 3 4 2.4800 - 2.2500 1.00 10093 140 0.1480 0.1835 REMARK 3 5 2.2500 - 2.0900 1.00 10119 138 0.1543 0.1981 REMARK 3 6 2.0900 - 1.9700 1.00 10119 138 0.1695 0.2272 REMARK 3 7 1.9700 - 1.8700 1.00 10081 140 0.1956 0.2322 REMARK 3 8 1.8700 - 1.7900 1.00 10156 140 0.2244 0.2233 REMARK 3 9 1.7900 - 1.7200 1.00 10090 139 0.2504 0.2695 REMARK 3 10 1.7200 - 1.6600 1.00 10083 140 0.2733 0.2923 REMARK 3 11 1.6600 - 1.6100 1.00 10130 140 0.3062 0.3264 REMARK 3 12 1.6100 - 1.5600 1.00 10071 139 0.3364 0.3547 REMARK 3 13 1.5600 - 1.5200 1.00 10125 144 0.3959 0.4144 REMARK 3 14 1.5200 - 1.4800 1.00 10037 139 0.4382 0.4314 REMARK 3 15 1.4800 - 1.4500 0.97 9886 137 0.5034 0.4821 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.258 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.904 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.61 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.84 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 2731 REMARK 3 ANGLE : 1.248 3726 REMARK 3 CHIRALITY : 0.062 408 REMARK 3 PLANARITY : 0.006 485 REMARK 3 DIHEDRAL : 24.455 473 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6YQG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-APR-20. REMARK 100 THE DEPOSITION ID IS D_1292108054. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-DEC-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PETRA III, DESY REMARK 200 BEAMLINE : P11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.033200 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 153519 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 46.860 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 5.720 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.9500 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.54 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 6YPQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0,8% ANESTHETIC ALKALOIDS MIX, 0,1M REMARK 280 BUFFER SYSTEM2 ,50% PRECIPITANT MIX2, PH 7.5, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,Z+1/2 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 33.02500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 33.02500 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 33.02500 REMARK 290 REMARK 290 REMARK: NULL 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 24480 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 39790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -242.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 -108.20800 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -54.10400 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 -93.71088 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 THR B 20 CG2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 342 O HOH A 416 1.97 REMARK 500 O HOH B 427 O HOH B 497 2.05 REMARK 500 O HOH A 335 O HOH A 451 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 THR B 75 145.98 80.38 REMARK 500 CYS B 109 -55.13 -137.61 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CYC A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue TE4 B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CYC B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CYC B 203 DBREF 6YQG A 1 162 UNP P50032 PHCA_THEEB 1 162 DBREF 6YQG B 1 172 UNP P50033 PHCB_THEEB 1 172 SEQRES 1 A 162 MET LYS THR PRO ILE THR GLU ALA ILE ALA ALA ALA ASP SEQRES 2 A 162 THR GLN GLY ARG PHE LEU SER ASN THR GLU LEU GLN ALA SEQRES 3 A 162 VAL ASP GLY ARG PHE LYS ARG ALA VAL ALA SER MET GLU SEQRES 4 A 162 ALA ALA ARG ALA LEU THR ASN ASN ALA GLN SER LEU ILE SEQRES 5 A 162 ASP GLY ALA ALA GLN ALA VAL TYR GLN LYS PHE PRO TYR SEQRES 6 A 162 THR THR THR MET GLN GLY SER GLN TYR ALA SER THR PRO SEQRES 7 A 162 GLU GLY LYS ALA LYS CYS ALA ARG ASP ILE GLY TYR TYR SEQRES 8 A 162 LEU ARG MET VAL THR TYR CYS LEU VAL ALA GLY GLY THR SEQRES 9 A 162 GLY PRO MET ASP GLU TYR LEU ILE ALA GLY LEU SER GLU SEQRES 10 A 162 ILE ASN SER THR PHE ASP LEU SER PRO SER TRP TYR ILE SEQRES 11 A 162 GLU ALA LEU LYS TYR ILE LYS ALA ASN HIS GLY LEU THR SEQRES 12 A 162 GLY GLN ALA ALA VAL GLU ALA ASN ALA TYR ILE ASP TYR SEQRES 13 A 162 ALA ILE ASN ALA LEU SER SEQRES 1 B 172 MET LEU ASP ALA PHE ALA LYS VAL VAL ALA GLN ALA ASP SEQRES 2 B 172 ALA ARG GLY GLU PHE LEU THR ASN ALA GLN PHE ASP ALA SEQRES 3 B 172 LEU SER ASN LEU VAL LYS GLU GLY ASN LYS ARG LEU ASP SEQRES 4 B 172 ALA VAL ASN ARG ILE THR SER ASN ALA SER THR ILE VAL SEQRES 5 B 172 ALA ASN ALA ALA ARG ALA LEU PHE ALA GLU GLN PRO GLN SEQRES 6 B 172 LEU ILE GLN PRO GLY GLY MEN ALA TYR THR ASN ARG ARG SEQRES 7 B 172 MET ALA ALA CYS LEU ARG ASP MET GLU ILE ILE LEU ARG SEQRES 8 B 172 TYR VAL THR TYR ALA ILE LEU ALA GLY ASP SER SER VAL SEQRES 9 B 172 LEU ASP ASP ARG CYS LEU ASN GLY LEU ARG GLU THR TYR SEQRES 10 B 172 GLN ALA LEU GLY THR PRO GLY SER SER VAL ALA VAL ALA SEQRES 11 B 172 ILE GLN LYS MET LYS ASP ALA ALA ILE ALA ILE ALA ASN SEQRES 12 B 172 ASP PRO ASN GLY ILE THR PRO GLY ASP CYS SER ALA LEU SEQRES 13 B 172 MET SER GLU ILE ALA GLY TYR PHE ASP ARG ALA ALA ALA SEQRES 14 B 172 ALA VAL ALA MODRES 6YQG MEN B 72 ASN MODIFIED RESIDUE HET MEN B 72 16 HET CYC A 201 80 HET TE4 B 201 43 HET CYC B 202 80 HET CYC B 203 80 HETNAM MEN N-METHYL ASPARAGINE HETNAM CYC PHYCOCYANOBILIN HETNAM TE4 TETRACAINE HETSYN TE4 2-(DIMETHYLAMINO)ETHYL 4-(BUTYLAMINO)BENZOATE FORMUL 2 MEN C5 H10 N2 O3 FORMUL 3 CYC 3(C33 H40 N4 O6) FORMUL 4 TE4 C15 H24 N2 O2 FORMUL 7 HOH *401(H2 O) HELIX 1 AA1 THR A 3 GLN A 15 1 13 HELIX 2 AA2 SER A 20 ASN A 47 1 28 HELIX 3 AA3 ASN A 47 PHE A 63 1 17 HELIX 4 AA4 PRO A 64 THR A 68 5 5 HELIX 5 AA5 THR A 77 GLY A 102 1 26 HELIX 6 AA6 THR A 104 LEU A 111 1 8 HELIX 7 AA7 GLY A 114 PHE A 122 1 9 HELIX 8 AA8 SER A 125 HIS A 140 1 16 HELIX 9 AA9 THR A 143 LEU A 161 1 19 HELIX 10 AB1 ASP B 3 ARG B 15 1 13 HELIX 11 AB2 THR B 20 GLU B 33 1 14 HELIX 12 AB3 GLU B 33 ASN B 47 1 15 HELIX 13 AB4 ASN B 47 GLN B 63 1 17 HELIX 14 AB5 PRO B 64 GLN B 68 5 5 HELIX 15 AB6 THR B 75 GLY B 100 1 26 HELIX 16 AB7 SER B 102 CYS B 109 1 8 HELIX 17 AB8 GLY B 112 GLY B 121 1 10 HELIX 18 AB9 PRO B 123 ASN B 143 1 21 HELIX 19 AC1 CYS B 153 ALA B 172 1 20 LINK SG CYS A 84 CAC CYC A 201 1555 1555 1.77 LINK C GLY B 71 N MEN B 72 1555 1555 1.33 LINK C MEN B 72 N ALA B 73 1555 1555 1.33 LINK SG CYS B 82 CAC CYC B 202 1555 1555 1.77 LINK SG CYS B 153 CAC CYC B 203 1555 1555 1.72 SITE 1 AC1 26 VAL A 59 THR A 66 SER A 72 GLN A 73 SITE 2 AC1 26 TYR A 74 ALA A 75 GLY A 80 LYS A 83 SITE 3 AC1 26 CYS A 84 ARG A 86 ASP A 87 TYR A 110 SITE 4 AC1 26 PHE A 122 LEU A 124 TRP A 128 TYR A 129 SITE 5 AC1 26 HOH A 304 HOH A 346 HOH A 349 HOH A 351 SITE 6 AC1 26 HOH A 356 ARG B 57 ILE B 67 THR B 75 SITE 7 AC1 26 ASN B 76 HOH B 378 SITE 1 AC2 13 GLY A 103 GLU A 149 ALA A 152 TYR A 153 SITE 2 AC2 13 TYR A 156 ASN A 159 HOH A 313 GLU B 62 SITE 3 AC2 13 GLN B 63 GLN B 65 HOH B 303 HOH B 312 SITE 4 AC2 13 HOH B 346 SITE 1 AC3 17 LEU B 66 MEN B 72 ALA B 73 ARG B 77 SITE 2 AC3 17 ARG B 78 ALA B 81 CYS B 82 ARG B 84 SITE 3 AC3 17 ASP B 85 ILE B 88 ARG B 108 LEU B 120 SITE 4 AC3 17 SER B 126 HOH B 322 HOH B 348 HOH B 360 SITE 5 AC3 17 HOH B 362 SITE 1 AC4 23 ASN A 21 LEU A 24 GLN A 25 ASP A 28 SITE 2 AC4 23 ASN B 35 LYS B 36 LEU B 38 ASP B 39 SITE 3 AC4 23 ALA B 142 ASN B 143 ASP B 144 ILE B 148 SITE 4 AC4 23 THR B 149 PRO B 150 GLY B 151 CYS B 153 SITE 5 AC4 23 HOH B 310 HOH B 314 HOH B 317 HOH B 328 SITE 6 AC4 23 HOH B 381 HOH B 413 HOH B 435 CRYST1 108.208 108.208 66.050 90.00 90.00 120.00 P 63 6 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 0.009241 0.005336 0.000000 0.00000 SCALE2 0.000000 0.010671 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015140 0.00000