HEADER IMMUNE SYSTEM 23-OCT-20 7DC6 TITLE GIANT PANDA MHC CLASS I COMPLEXES COMPND MOL_ID: 1; COMPND 2 MOLECULE: MHC CLASS I ANTIGEN; COMPND 3 CHAIN: A, C; COMPND 4 SYNONYM: MHC I HEAVY CHAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: BETA-2-MICROGLOBULIN; COMPND 8 CHAIN: B, D; COMPND 9 SYNONYM: MHC I LIGHT CHAIN; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: CCV-NGY9 PEPTIDE FROM SPIKE PROTEIN; COMPND 13 CHAIN: E, F; COMPND 14 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AILUROPODA MELANOLEUCA; SOURCE 3 ORGANISM_COMMON: GIANT PANDA; SOURCE 4 ORGANISM_TAXID: 9646; SOURCE 5 GENE: AIME-128; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: AILUROPODA MELANOLEUCA; SOURCE 10 ORGANISM_COMMON: GIANT PANDA; SOURCE 11 ORGANISM_TAXID: 9646; SOURCE 12 GENE: B2M, PANDA_000996; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 MOL_ID: 3; SOURCE 16 ORGANISM_SCIENTIFIC: CANINE CORONAVIRUS; SOURCE 17 ORGANISM_COMMON: CCOV; SOURCE 18 ORGANISM_TAXID: 11153; SOURCE 19 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 20 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS GIANT PANDA, MHC CLASS I, AIME-128, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR H.YUAN,C.XIA REVDAT 2 29-NOV-23 7DC6 1 REMARK REVDAT 1 16-JUN-21 7DC6 0 JRNL AUTH H.YUAN,L.MA,L.ZHANG,X.LI,C.XIA JRNL TITL CRYSTAL STRUCTURE OF THE GIANT PANDA MHC CLASS I COMPLEX: JRNL TITL 2 FIRST INSIGHTS INTO THE VIRAL PEPTIDE PRESENTATION PROFILE JRNL TITL 3 IN THE BEAR FAMILY. JRNL REF PROTEIN SCI. V. 29 2468 2020 JRNL REFN ESSN 1469-896X JRNL PMID 33078460 JRNL DOI 10.1002/PRO.3980 REMARK 2 REMARK 2 RESOLUTION. 2.68 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0073 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.68 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 34668 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.268 REMARK 3 R VALUE (WORKING SET) : 0.266 REMARK 3 FREE R VALUE : 0.291 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1788 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.68 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.75 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2497 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.94 REMARK 3 BIN R VALUE (WORKING SET) : 0.4220 REMARK 3 BIN FREE R VALUE SET COUNT : 119 REMARK 3 BIN FREE R VALUE : 0.4700 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6266 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 32 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 55.72 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.11000 REMARK 3 B22 (A**2) : -0.11000 REMARK 3 B33 (A**2) : 0.22000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.593 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.339 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.355 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 39.385 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.895 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.863 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; NULL ; NULL REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 2 A 276 REMARK 3 ORIGIN FOR THE GROUP (A): -22.1183 -36.0341 9.5170 REMARK 3 T TENSOR REMARK 3 T11: 0.2269 T22: 0.3550 REMARK 3 T33: 0.0439 T12: -0.0111 REMARK 3 T13: -0.0228 T23: 0.0720 REMARK 3 L TENSOR REMARK 3 L11: 0.4983 L22: 0.3254 REMARK 3 L33: 0.5013 L12: -0.0672 REMARK 3 L13: -0.2871 L23: 0.1451 REMARK 3 S TENSOR REMARK 3 S11: -0.1602 S12: -0.2146 S13: -0.0015 REMARK 3 S21: -0.0582 S22: 0.0536 S23: 0.0213 REMARK 3 S31: -0.0077 S32: 0.2011 S33: 0.1066 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 1 B 99 REMARK 3 ORIGIN FOR THE GROUP (A): -21.8455 -47.6169 -5.2005 REMARK 3 T TENSOR REMARK 3 T11: 0.2049 T22: 0.3175 REMARK 3 T33: 0.0928 T12: 0.0451 REMARK 3 T13: -0.0170 T23: 0.0873 REMARK 3 L TENSOR REMARK 3 L11: 1.9910 L22: 0.5149 REMARK 3 L33: 1.9565 L12: -0.5992 REMARK 3 L13: -0.4622 L23: 0.8437 REMARK 3 S TENSOR REMARK 3 S11: -0.0995 S12: -0.1377 S13: -0.1400 REMARK 3 S21: -0.0722 S22: 0.0375 S23: 0.0783 REMARK 3 S31: -0.0246 S32: 0.2802 S33: 0.0619 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : C 2 C 276 REMARK 3 ORIGIN FOR THE GROUP (A): 15.5762 -49.9339 -20.6866 REMARK 3 T TENSOR REMARK 3 T11: 0.2313 T22: 0.2788 REMARK 3 T33: 0.0244 T12: -0.0598 REMARK 3 T13: 0.0230 T23: 0.0288 REMARK 3 L TENSOR REMARK 3 L11: 1.7341 L22: 0.2857 REMARK 3 L33: 0.4735 L12: -0.1862 REMARK 3 L13: 0.3491 L23: 0.0483 REMARK 3 S TENSOR REMARK 3 S11: 0.0753 S12: 0.1139 S13: 0.1728 REMARK 3 S21: -0.0725 S22: -0.0980 S23: -0.0610 REMARK 3 S31: 0.1084 S32: 0.0547 S33: 0.0227 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : D 2 D 99 REMARK 3 ORIGIN FOR THE GROUP (A): 1.6629 -62.6592 -17.2527 REMARK 3 T TENSOR REMARK 3 T11: 0.1506 T22: 0.3187 REMARK 3 T33: 0.0549 T12: -0.0695 REMARK 3 T13: 0.0002 T23: 0.0735 REMARK 3 L TENSOR REMARK 3 L11: 3.0680 L22: 1.3447 REMARK 3 L33: 2.3443 L12: 1.0406 REMARK 3 L13: 1.3801 L23: 0.5901 REMARK 3 S TENSOR REMARK 3 S11: 0.0874 S12: -0.3094 S13: -0.2389 REMARK 3 S21: -0.1061 S22: -0.0248 S23: -0.0193 REMARK 3 S31: 0.1879 S32: -0.1430 S33: -0.0626 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: U VALUES : WITH TLS ADDED REMARK 4 REMARK 4 7DC6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-OCT-20. REMARK 100 THE DEPOSITION ID IS D_1300019122. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAR-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97892 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 34668 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.680 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 6.800 REMARK 200 R MERGE (I) : 0.09400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.68 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.75 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.09400 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: REFMAC REMARK 200 STARTING MODEL: 1E27 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% (W/V) POLYETHYLENE GLYCOL 3350, REMARK 280 0.05M MAGNESIUM CHLORIDE HEXAHYDRATE, 0.1M HEPES (PH 7.5), VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 42.17300 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 86.83850 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 86.83850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 63.25950 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 86.83850 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 86.83850 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 21.08650 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 86.83850 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 86.83850 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 63.25950 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 86.83850 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 86.83850 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 21.08650 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 42.17300 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4460 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18880 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, E 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4430 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18970 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, F 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH C 303 LIES ON A SPECIAL POSITION. 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 D 1 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 ASP A 30 -115.57 51.97 REMARK 500 TYR A 124 -62.32 -127.70 REMARK 500 ASP A 221 14.05 59.43 REMARK 500 ARG C 18 57.82 -97.30 REMARK 500 ASP C 30 -104.43 53.89 REMARK 500 GLN C 55 37.37 -79.31 REMARK 500 TYR C 124 -66.93 -97.02 REMARK 500 TRP D 60 -1.01 62.42 REMARK 500 THR E 8 -169.29 -124.00 REMARK 500 REMARK 500 REMARK: NULL DBREF 7DC6 A 2 276 UNP B2KT53 B2KT53_AILME 25 299 DBREF 7DC6 B 6 95 UNP D2GW37 D2GW37_AILME 1 90 DBREF 7DC6 C 2 276 UNP B2KT53 B2KT53_AILME 25 299 DBREF 7DC6 D 6 95 UNP D2GW37 D2GW37_AILME 1 90 DBREF 7DC6 E 1 9 UNP Q65984 SPIKE_CVCAK 437 445 DBREF 7DC6 F 1 9 UNP Q65984 SPIKE_CVCAK 437 445 SEQADV 7DC6 MET B 1 UNP D2GW37 INITIATING METHIONINE SEQADV 7DC6 VAL B 2 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 GLN B 3 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 HIS B 4 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 ALA B 5 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 GLU B 96 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 ARG B 97 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 ASP B 98 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 ASN B 99 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 MET D 1 UNP D2GW37 INITIATING METHIONINE SEQADV 7DC6 VAL D 2 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 GLN D 3 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 HIS D 4 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 ALA D 5 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 GLU D 96 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 ARG D 97 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 ASP D 98 UNP D2GW37 EXPRESSION TAG SEQADV 7DC6 ASN D 99 UNP D2GW37 EXPRESSION TAG SEQRES 1 A 275 GLY SER HIS SER MET ARG TYR PHE TYR THR ALA VAL SER SEQRES 2 A 275 ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE ALA VAL GLY SEQRES 3 A 275 TYR VAL ASP ASP THR GLN PHE VAL ARG PHE ASP SER ASP SEQRES 4 A 275 SER ALA SER ARG ARG MET GLU PRO ARG ALA PRO TRP ILE SEQRES 5 A 275 GLU GLN GLU GLY PRO GLU TYR TRP ASP ARG ASN THR ARG SEQRES 6 A 275 ILE ALA GLU ASP ASN ALA GLN ALA PHE ARG VAL ASP LEU SEQRES 7 A 275 GLN THR ALA LEU ARG TYR TYR ASN GLN SER GLU ALA GLY SEQRES 8 A 275 SER HIS THR ILE GLN TRP MET HIS GLY CYS ASP VAL GLY SEQRES 9 A 275 PRO ASP GLY ARG LEU LEU ARG GLY TYR SER GLN LEU ALA SEQRES 10 A 275 TYR ASP GLY ALA ASP TYR ILE ALA LEU ASN GLU ASP LEU SEQRES 11 A 275 ARG SER TRP THR ALA ALA ASP THR ALA ALA GLN ILE THR SEQRES 12 A 275 ARG ARG LYS TRP GLU ALA ALA GLY GLU ALA GLU ARG TYR SEQRES 13 A 275 ARG ASN TYR VAL GLU GLY GLU CYS VAL GLU TRP LEU ARG SEQRES 14 A 275 ARG TYR LEU GLU ASN GLY LYS GLU THR LEU GLN ARG ALA SEQRES 15 A 275 GLU THR PRO ASP THR ARG VAL THR ARG HIS PRO ILE SER SEQRES 16 A 275 ASP GLN LYS VAL THR LEU ARG CYS TRP ALA LEU GLY PHE SEQRES 17 A 275 TYR PRO ALA GLU ILE THR LEU THR TRP GLN GLN ASP GLY SEQRES 18 A 275 GLU ASP LEU THR GLN ASP THR GLU LEU VAL GLU THR ARG SEQRES 19 A 275 PRO ALA GLY ASP GLY THR PHE GLN LYS TRP ALA ALA VAL SEQRES 20 A 275 VAL VAL PRO SER GLY GLN GLU GLN ARG TYR THR CYS HIS SEQRES 21 A 275 VAL GLN HIS GLU GLY LEU PRO GLU PRO LEU THR ARG SER SEQRES 22 A 275 TRP GLU SEQRES 1 B 99 MET VAL GLN HIS ALA PRO LYS ILE GLN VAL TYR SER ARG SEQRES 2 B 99 HIS PRO ALA GLU ASN GLY LYS PRO ASN PHE LEU ASN CYS SEQRES 3 B 99 TYR VAL SER GLY PHE HIS PRO PRO GLU ILE GLU ILE ASP SEQRES 4 B 99 LEU LEU LYS ASN GLY GLU LYS MET LYS ALA GLU GLN SER SEQRES 5 B 99 ASP LEU SER PHE SER LYS ASP TRP THR PHE TYR LEU LEU SEQRES 6 B 99 VAL HIS THR GLU PHE THR PRO ASN GLY GLN ASP GLU PHE SEQRES 7 B 99 SER CYS ARG VAL LYS HIS VAL THR LEU SER GLU PRO GLN SEQRES 8 B 99 ILE ILE LYS TRP GLU ARG ASP ASN SEQRES 1 C 275 GLY SER HIS SER MET ARG TYR PHE TYR THR ALA VAL SER SEQRES 2 C 275 ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE ALA VAL GLY SEQRES 3 C 275 TYR VAL ASP ASP THR GLN PHE VAL ARG PHE ASP SER ASP SEQRES 4 C 275 SER ALA SER ARG ARG MET GLU PRO ARG ALA PRO TRP ILE SEQRES 5 C 275 GLU GLN GLU GLY PRO GLU TYR TRP ASP ARG ASN THR ARG SEQRES 6 C 275 ILE ALA GLU ASP ASN ALA GLN ALA PHE ARG VAL ASP LEU SEQRES 7 C 275 GLN THR ALA LEU ARG TYR TYR ASN GLN SER GLU ALA GLY SEQRES 8 C 275 SER HIS THR ILE GLN TRP MET HIS GLY CYS ASP VAL GLY SEQRES 9 C 275 PRO ASP GLY ARG LEU LEU ARG GLY TYR SER GLN LEU ALA SEQRES 10 C 275 TYR ASP GLY ALA ASP TYR ILE ALA LEU ASN GLU ASP LEU SEQRES 11 C 275 ARG SER TRP THR ALA ALA ASP THR ALA ALA GLN ILE THR SEQRES 12 C 275 ARG ARG LYS TRP GLU ALA ALA GLY GLU ALA GLU ARG TYR SEQRES 13 C 275 ARG ASN TYR VAL GLU GLY GLU CYS VAL GLU TRP LEU ARG SEQRES 14 C 275 ARG TYR LEU GLU ASN GLY LYS GLU THR LEU GLN ARG ALA SEQRES 15 C 275 GLU THR PRO ASP THR ARG VAL THR ARG HIS PRO ILE SER SEQRES 16 C 275 ASP GLN LYS VAL THR LEU ARG CYS TRP ALA LEU GLY PHE SEQRES 17 C 275 TYR PRO ALA GLU ILE THR LEU THR TRP GLN GLN ASP GLY SEQRES 18 C 275 GLU ASP LEU THR GLN ASP THR GLU LEU VAL GLU THR ARG SEQRES 19 C 275 PRO ALA GLY ASP GLY THR PHE GLN LYS TRP ALA ALA VAL SEQRES 20 C 275 VAL VAL PRO SER GLY GLN GLU GLN ARG TYR THR CYS HIS SEQRES 21 C 275 VAL GLN HIS GLU GLY LEU PRO GLU PRO LEU THR ARG SER SEQRES 22 C 275 TRP GLU SEQRES 1 D 99 MET VAL GLN HIS ALA PRO LYS ILE GLN VAL TYR SER ARG SEQRES 2 D 99 HIS PRO ALA GLU ASN GLY LYS PRO ASN PHE LEU ASN CYS SEQRES 3 D 99 TYR VAL SER GLY PHE HIS PRO PRO GLU ILE GLU ILE ASP SEQRES 4 D 99 LEU LEU LYS ASN GLY GLU LYS MET LYS ALA GLU GLN SER SEQRES 5 D 99 ASP LEU SER PHE SER LYS ASP TRP THR PHE TYR LEU LEU SEQRES 6 D 99 VAL HIS THR GLU PHE THR PRO ASN GLY GLN ASP GLU PHE SEQRES 7 D 99 SER CYS ARG VAL LYS HIS VAL THR LEU SER GLU PRO GLN SEQRES 8 D 99 ILE ILE LYS TRP GLU ARG ASP ASN SEQRES 1 E 9 ASN GLY TYR ASN PHE PHE SER THR PHE SEQRES 1 F 9 ASN GLY TYR ASN PHE PHE SER THR PHE FORMUL 7 HOH *32(H2 O) HELIX 1 AA1 GLY A 57 TYR A 86 1 30 HELIX 2 AA2 ASP A 138 ALA A 151 1 14 HELIX 3 AA3 GLY A 152 GLY A 163 1 12 HELIX 4 AA4 GLY A 163 GLY A 176 1 14 HELIX 5 AA5 GLN A 254 GLN A 256 5 3 HELIX 6 AA6 ALA C 50 GLU C 54 5 5 HELIX 7 AA7 GLY C 57 ASN C 87 1 31 HELIX 8 AA8 ASP C 138 GLY C 152 1 15 HELIX 9 AA9 GLY C 152 GLY C 163 1 12 HELIX 10 AB1 GLY C 163 GLY C 176 1 14 HELIX 11 AB2 GLY C 176 GLN C 181 1 6 HELIX 12 AB3 THR C 226 THR C 229 5 4 HELIX 13 AB4 GLN C 254 GLN C 256 5 3 SHEET 1 AA1 8 GLU A 47 PRO A 48 0 SHEET 2 AA1 8 THR A 32 ASP A 38 -1 N ARG A 36 O GLU A 47 SHEET 3 AA1 8 ARG A 22 VAL A 29 -1 N ALA A 25 O PHE A 37 SHEET 4 AA1 8 HIS A 4 VAL A 13 -1 N ARG A 7 O TYR A 28 SHEET 5 AA1 8 THR A 95 VAL A 104 -1 O TRP A 98 N TYR A 10 SHEET 6 AA1 8 LEU A 110 TYR A 119 -1 O LEU A 111 N ASP A 103 SHEET 7 AA1 8 ALA A 122 LEU A 127 -1 O LEU A 127 N SER A 115 SHEET 8 AA1 8 TRP A 134 ALA A 136 -1 O THR A 135 N ALA A 126 SHEET 1 AA2 4 ASP A 187 PRO A 194 0 SHEET 2 AA2 4 LYS A 199 PHE A 209 -1 O THR A 201 N HIS A 193 SHEET 3 AA2 4 PHE A 242 PRO A 251 -1 O VAL A 250 N VAL A 200 SHEET 4 AA2 4 GLU A 230 LEU A 231 -1 N GLU A 230 O ALA A 247 SHEET 1 AA3 4 ASP A 187 PRO A 194 0 SHEET 2 AA3 4 LYS A 199 PHE A 209 -1 O THR A 201 N HIS A 193 SHEET 3 AA3 4 PHE A 242 PRO A 251 -1 O VAL A 250 N VAL A 200 SHEET 4 AA3 4 ARG A 235 PRO A 236 -1 N ARG A 235 O GLN A 243 SHEET 1 AA4 4 GLU A 223 ASP A 224 0 SHEET 2 AA4 4 THR A 215 GLN A 220 -1 N GLN A 220 O GLU A 223 SHEET 3 AA4 4 TYR A 258 GLN A 263 -1 O HIS A 261 N THR A 217 SHEET 4 AA4 4 LEU A 271 ARG A 273 -1 O ARG A 273 N CYS A 260 SHEET 1 AA5 4 LYS B 7 SER B 12 0 SHEET 2 AA5 4 ASN B 22 PHE B 31 -1 O ASN B 25 N TYR B 11 SHEET 3 AA5 4 PHE B 62 PHE B 70 -1 O PHE B 70 N ASN B 22 SHEET 4 AA5 4 GLU B 50 GLN B 51 -1 N GLU B 50 O HIS B 67 SHEET 1 AA6 4 LYS B 7 SER B 12 0 SHEET 2 AA6 4 ASN B 22 PHE B 31 -1 O ASN B 25 N TYR B 11 SHEET 3 AA6 4 PHE B 62 PHE B 70 -1 O PHE B 70 N ASN B 22 SHEET 4 AA6 4 SER B 55 PHE B 56 -1 N SER B 55 O TYR B 63 SHEET 1 AA7 4 GLU B 45 LYS B 46 0 SHEET 2 AA7 4 GLU B 37 LYS B 42 -1 N LYS B 42 O GLU B 45 SHEET 3 AA7 4 PHE B 78 LYS B 83 -1 O SER B 79 N LEU B 41 SHEET 4 AA7 4 GLN B 91 LYS B 94 -1 O GLN B 91 N VAL B 82 SHEET 1 AA8 8 GLU C 47 PRO C 48 0 SHEET 2 AA8 8 THR C 32 ASP C 38 -1 N ARG C 36 O GLU C 47 SHEET 3 AA8 8 ARG C 22 VAL C 29 -1 N ALA C 25 O PHE C 37 SHEET 4 AA8 8 HIS C 4 VAL C 13 -1 N ARG C 7 O TYR C 28 SHEET 5 AA8 8 THR C 95 VAL C 104 -1 O TRP C 98 N TYR C 10 SHEET 6 AA8 8 LEU C 110 TYR C 119 -1 O LEU C 111 N ASP C 103 SHEET 7 AA8 8 ALA C 122 LEU C 127 -1 O LEU C 127 N SER C 115 SHEET 8 AA8 8 TRP C 134 ALA C 136 -1 O THR C 135 N ALA C 126 SHEET 1 AA9 4 ASP C 187 PRO C 194 0 SHEET 2 AA9 4 LYS C 199 PHE C 209 -1 O TRP C 205 N ARG C 189 SHEET 3 AA9 4 PHE C 242 PRO C 251 -1 O VAL C 250 N VAL C 200 SHEET 4 AA9 4 GLU C 230 LEU C 231 -1 N GLU C 230 O ALA C 247 SHEET 1 AB1 4 ASP C 187 PRO C 194 0 SHEET 2 AB1 4 LYS C 199 PHE C 209 -1 O TRP C 205 N ARG C 189 SHEET 3 AB1 4 PHE C 242 PRO C 251 -1 O VAL C 250 N VAL C 200 SHEET 4 AB1 4 ARG C 235 PRO C 236 -1 N ARG C 235 O GLN C 243 SHEET 1 AB2 4 GLU C 223 ASP C 224 0 SHEET 2 AB2 4 THR C 215 GLN C 220 -1 N GLN C 220 O GLU C 223 SHEET 3 AB2 4 TYR C 258 GLN C 263 -1 O HIS C 261 N THR C 217 SHEET 4 AB2 4 LEU C 271 ARG C 273 -1 O ARG C 273 N CYS C 260 SHEET 1 AB3 4 LYS D 7 SER D 12 0 SHEET 2 AB3 4 ASN D 22 PHE D 31 -1 O SER D 29 N LYS D 7 SHEET 3 AB3 4 PHE D 62 PHE D 70 -1 O LEU D 64 N VAL D 28 SHEET 4 AB3 4 GLU D 50 GLN D 51 -1 N GLU D 50 O HIS D 67 SHEET 1 AB4 4 LYS D 7 SER D 12 0 SHEET 2 AB4 4 ASN D 22 PHE D 31 -1 O SER D 29 N LYS D 7 SHEET 3 AB4 4 PHE D 62 PHE D 70 -1 O LEU D 64 N VAL D 28 SHEET 4 AB4 4 SER D 55 PHE D 56 -1 N SER D 55 O TYR D 63 SHEET 1 AB5 4 GLU D 45 LYS D 46 0 SHEET 2 AB5 4 ILE D 36 LYS D 42 -1 N LYS D 42 O GLU D 45 SHEET 3 AB5 4 PHE D 78 HIS D 84 -1 O ARG D 81 N ASP D 39 SHEET 4 AB5 4 GLN D 91 LYS D 94 -1 O GLN D 91 N VAL D 82 SSBOND 1 CYS A 102 CYS A 165 1555 1555 2.04 SSBOND 2 CYS A 204 CYS A 260 1555 1555 2.03 SSBOND 3 CYS B 26 CYS B 80 1555 1555 2.03 SSBOND 4 CYS C 102 CYS C 165 1555 1555 2.04 SSBOND 5 CYS C 204 CYS C 260 1555 1555 2.03 SSBOND 6 CYS D 26 CYS D 80 1555 1555 2.04 CISPEP 1 TYR A 210 PRO A 211 0 1.75 CISPEP 2 HIS B 32 PRO B 33 0 3.62 CISPEP 3 TYR C 210 PRO C 211 0 1.25 CISPEP 4 HIS D 32 PRO D 33 0 5.00 CRYST1 173.677 173.677 84.346 90.00 90.00 90.00 P 43 21 2 16 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 0.005758 0.000000 0.000000 0.00000 SCALE2 0.000000 0.005758 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011856 0.00000