HEADER IMMUNE SYSTEM 29-APR-22 7ZQJ TITLE MHC CLASS I FROM A WILD BIRD IN COMPLEX WITH A NONAMERIC PEPTIDE P3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: MHC CLASS I ANTIGEN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: EXON 2-4; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: BETA-2-MICROGLOBULIN; COMPND 8 CHAIN: B; COMPND 9 ENGINEERED: YES; COMPND 10 OTHER_DETAILS: N-TERMINAL HIS6-TAG, TEV-CLEAVAGE SITE; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: UNCHARACTERIZED PROTEIN RV3403C; COMPND 13 CHAIN: F; COMPND 14 ENGINEERED: YES; COMPND 15 OTHER_DETAILS: SYNTHETIC PEPTIDE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ACROCEPHALUS ARUNDINACEUS; SOURCE 3 ORGANISM_COMMON: GREAT REED WARBLER; SOURCE 4 ORGANISM_TAXID: 39621; SOURCE 5 ORGAN: LIVER; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: ACROCEPHALUS ARUNDINACEUS; SOURCE 11 ORGANISM_COMMON: GREAT REED WARBLER; SOURCE 12 ORGANISM_TAXID: 39621; SOURCE 13 GENE: B2M; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 15 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 16 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 17 MOL_ID: 3; SOURCE 18 SYNTHETIC: YES; SOURCE 19 ORGANISM_SCIENTIFIC: MYCOBACTERIUM SP.; SOURCE 20 ORGANISM_TAXID: 1785 KEYWDS MAJOR HISTOCOMPATIBILITY COMPLEX CLASS I, ACROCEPHALUS ARUNDINACEUS, KEYWDS 2 ANTIGEN PRESENTATION, CELL-SURFACE RECEPTOR, NONAMERIC PEPTIDE FROM KEYWDS 3 MYCOBACTERIUM, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR S.ELTSCHKNER,S.MELLINGER,S.BUUS,M.NIELSEN,K.M.PAULSSON,K.LINDKVIST- AUTHOR 2 PETERSSON,H.WESTERDAHL REVDAT 3 07-FEB-24 7ZQJ 1 REMARK REVDAT 2 22-NOV-23 7ZQJ 1 JRNL REVDAT 1 10-MAY-23 7ZQJ 0 JRNL AUTH S.ELTSCHKNER,S.MELLINGER,S.BUUS,M.NIELSEN,K.M.PAULSSON, JRNL AUTH 2 K.LINDKVIST-PETERSSON,H.WESTERDAHL JRNL TITL THE STRUCTURE OF SONGBIRD MHC CLASS I REVEALS ANTIGEN JRNL TITL 2 BINDING THAT IS FLEXIBLE AT THE N-TERMINUS AND STATIC AT THE JRNL TITL 3 C-TERMINUS. JRNL REF FRONT IMMUNOL V. 14 09059 2023 JRNL REFN ESSN 1664-3224 JRNL PMID 37483599 JRNL DOI 10.3389/FIMMU.2023.1209059 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0258 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.94 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 19145 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) : 0.199 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 982 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) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.31 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1378 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.66 REMARK 3 BIN R VALUE (WORKING SET) : 0.3020 REMARK 3 BIN FREE R VALUE SET COUNT : 70 REMARK 3 BIN FREE R VALUE : 0.2890 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3092 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 9 REMARK 3 SOLVENT ATOMS : 76 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 58.81 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.76000 REMARK 3 B22 (A**2) : 0.12000 REMARK 3 B33 (A**2) : -0.89000 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): 0.184 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.216 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.000 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.010 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.948 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 : NULL 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 7ZQJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 29-APR-22. REMARK 100 THE DEPOSITION ID IS D_1292120812. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-NOV-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20176 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 46.940 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 5.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.32 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 5.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.700 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: 5GJX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM MES, PH 6.0, 6 % (V/V) REMARK 280 TACSIMATE, PH 6.0, 25 % (W/V) PEG 4000, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z 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 25.39650 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 61.41850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.98850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 61.41850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.39650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.98850 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5040 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18850 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -45.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, 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 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 THR A 276 REMARK 465 MET B -17 REMARK 465 HIS B -16 REMARK 465 HIS B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 SER B -10 REMARK 465 SER B -9 REMARK 465 GLY B -8 REMARK 465 VAL B -7 REMARK 465 ASP B -6 REMARK 465 LEU B -5 REMARK 465 GLY B -4 REMARK 465 THR B -3 REMARK 465 GLU B -2 REMARK 465 ASN B -1 REMARK 465 LEU B 0 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 GLU A 50 CG CD OE1 OE2 REMARK 470 GLU A 80 CG CD OE1 OE2 REMARK 470 ARG A 110 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 128 CG CD OE1 OE2 REMARK 470 GLU A 147 CG CD OE1 OE2 REMARK 470 GLU A 154 CG CD OE1 OE2 REMARK 470 GLU A 178 CG CD OE1 OE2 REMARK 470 HIS A 195 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 210 CG CD CE NZ REMARK 470 GLN B 3 CG CD OE1 NE2 REMARK 470 LYS B 11 CG CD CE NZ REMARK 470 LYS B 39 CG CD CE NZ REMARK 470 GLU B 43 CG CD OE1 OE2 REMARK 470 ARG B 86 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 228 CD GLU A 228 OE2 0.076 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 PHE A 122 -69.31 -107.17 REMARK 500 HIS A 162 -71.71 -111.95 REMARK 500 HIS A 195 34.99 36.32 REMARK 500 TRP A 223 47.93 -101.41 REMARK 500 ASN B 62 -167.78 -108.41 REMARK 500 THR F 2 -65.73 75.95 REMARK 500 REMARK 500 REMARK: NULL DBREF 7ZQJ A 3 276 UNP O98187 O98187_ACRAR 26 299 DBREF1 7ZQJ B 6 104 UNP A0A076JEK1_ACRAR DBREF2 7ZQJ B A0A076JEK1 14 112 DBREF 7ZQJ F 1 9 UNP P9WKZ5 Y3403_MYCTU 8 16 SEQADV 7ZQJ MET A 2 UNP O98187 INITIATING METHIONINE SEQADV 7ZQJ MET B -17 UNP A0A076JEK INITIATING METHIONINE SEQADV 7ZQJ HIS B -16 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ HIS B -15 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ HIS B -14 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ HIS B -13 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ HIS B -12 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ HIS B -11 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ SER B -10 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ SER B -9 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ GLY B -8 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ VAL B -7 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ ASP B -6 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ LEU B -5 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ GLY B -4 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ THR B -3 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ GLU B -2 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ ASN B -1 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ LEU B 0 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ TYR B 1 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ PHE B 2 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ GLN B 3 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ SER B 4 UNP A0A076JEK EXPRESSION TAG SEQADV 7ZQJ MET B 5 UNP A0A076JEK EXPRESSION TAG SEQRES 1 A 275 MET VAL LEU HIS SER LEU HIS TYR LEU ASP VAL ALA VAL SEQRES 2 A 275 SER GLU PRO SER PRO GLY ILE PRO GLN PHE VAL ALA MET SEQRES 3 A 275 GLY PHE VAL ASP GLY ILE PRO PHE THR ARG TYR ASP SER SEQRES 4 A 275 GLU ARG GLY ARG MET GLU PRO LEU THR GLU TRP ILE LYS SEQRES 5 A 275 ASP SER ALA ASP PRO GLU TYR TRP ASP SER GLN THR GLN SEQRES 6 A 275 ILE GLY VAL GLY SER GLN HIS VAL TYR ALA ARG SER LEU SEQRES 7 A 275 GLU THR LEU ARG GLU ARG TYR ASN GLN SER GLY GLY LEU SEQRES 8 A 275 HIS THR VAL LEU ARG VAL TYR GLY CYS GLU LEU LEU SER SEQRES 9 A 275 ASP GLY SER VAL ARG GLY SER GLU ARG PHE GLY TYR ASP SEQRES 10 A 275 GLY ARG ASP PHE ILE SER PHE ASP LEU GLU SER GLY ARG SEQRES 11 A 275 PHE MET ALA ALA ASP SER ALA ALA GLU ILE THR ARG ARG SEQRES 12 A 275 ARG TRP GLU HIS GLU GLY ILE VAL ALA GLU ARG GLN THR SEQRES 13 A 275 ASN TYR LEU LYS HIS GLU CYS PRO GLU TRP LEU GLN LYS SEQRES 14 A 275 TYR VAL GLY TYR GLY GLN LYS GLU LEU GLU ARG LYS GLU SEQRES 15 A 275 PRO PRO ASP VAL HIS VAL SER GLY LYS GLU GLU HIS GLY SEQRES 16 A 275 THR LEU ILE LEU SER CYS HIS ALA TYR GLY PHE TYR PRO SEQRES 17 A 275 LYS THR ILE ALA VAL ASN TRP MET LYS GLY ASP GLU ILE SEQRES 18 A 275 TRP ASP GLN GLU THR GLU TRP GLY GLY VAL VAL PRO ASN SEQRES 19 A 275 SER ASP GLY THR PHE HIS THR TRP ALA ARG ILE GLU ALA SEQRES 20 A 275 LEU PRO GLU GLU ARG GLU GLN TYR ARG CYS ARG VAL GLU SEQRES 21 A 275 HIS PRO GLY MET PRO GLU PRO GLY ILE PHE ALA TRP GLU SEQRES 22 A 275 PRO THR SEQRES 1 B 122 MET HIS HIS HIS HIS HIS HIS SER SER GLY VAL ASP LEU SEQRES 2 B 122 GLY THR GLU ASN LEU TYR PHE GLN SER MET ALA GLY GLU SEQRES 3 B 122 ALA PRO LYS VAL GLU VAL TYR ALA ARG SER ARG ALA GLU SEQRES 4 B 122 GLU GLY LYS GLU ASN ILE LEU HIS CYS PHE ILE THR GLY SEQRES 5 B 122 PHE HIS PRO PRO LYS ILE ASP VAL GLU LEU LEU LYS ASN SEQRES 6 B 122 GLY GLU PRO MET PRO GLY VAL THR TYR GLY ASP LEU SER SEQRES 7 B 122 PHE ASN ASP LYS TRP GLN PHE GLN ARG LEU VAL TYR VAL SEQRES 8 B 122 PRO PHE ILE PRO THR ARG GLU ASP ILE PHE THR CYS ARG SEQRES 9 B 122 VAL ALA HIS SER THR MET PRO GLU PRO ARG SER TYR ARG SEQRES 10 B 122 TRP GLU PRO ASP PHE SEQRES 1 F 9 MET THR MET ILE THR PRO PRO THR PHE HET ACT A 301 4 HET SO4 A 302 5 HETNAM ACT ACETATE ION HETNAM SO4 SULFATE ION FORMUL 4 ACT C2 H3 O2 1- FORMUL 5 SO4 O4 S 2- FORMUL 6 HOH *76(H2 O) HELIX 1 AA1 THR A 49 ALA A 56 1 8 HELIX 2 AA2 ASP A 57 TYR A 86 1 30 HELIX 3 AA3 ASP A 136 GLY A 150 1 15 HELIX 4 AA4 GLY A 150 HIS A 162 1 13 HELIX 5 AA5 HIS A 162 GLU A 180 1 19 HELIX 6 AA6 ASP A 224 THR A 227 5 4 HELIX 7 AA7 LEU A 249 GLU A 254 5 6 HELIX 8 AA8 PHE B 2 ALA B 9 5 8 SHEET 1 AA1 8 ARG A 44 PRO A 47 0 SHEET 2 AA1 8 ILE A 33 ASP A 39 -1 N ARG A 37 O GLU A 46 SHEET 3 AA1 8 PHE A 24 VAL A 30 -1 N ALA A 26 O TYR A 38 SHEET 4 AA1 8 VAL A 3 VAL A 14 -1 N VAL A 12 O VAL A 25 SHEET 5 AA1 8 THR A 94 LEU A 104 -1 O LEU A 103 N LEU A 4 SHEET 6 AA1 8 VAL A 109 TYR A 117 -1 O ARG A 114 N VAL A 98 SHEET 7 AA1 8 ARG A 120 ASP A 126 -1 O PHE A 122 N PHE A 115 SHEET 8 AA1 8 ARG A 131 ALA A 134 -1 O MET A 133 N SER A 124 SHEET 1 AA2 4 ASP A 186 GLU A 194 0 SHEET 2 AA2 4 THR A 197 PHE A 207 -1 O THR A 197 N GLU A 194 SHEET 3 AA2 4 PHE A 240 ALA A 248 -1 O ALA A 244 N CYS A 202 SHEET 4 AA2 4 GLU A 228 TRP A 229 -1 N GLU A 228 O ARG A 245 SHEET 1 AA3 4 ASP A 186 GLU A 194 0 SHEET 2 AA3 4 THR A 197 PHE A 207 -1 O THR A 197 N GLU A 194 SHEET 3 AA3 4 PHE A 240 ALA A 248 -1 O ALA A 244 N CYS A 202 SHEET 4 AA3 4 VAL A 233 PRO A 234 -1 N VAL A 233 O HIS A 241 SHEET 1 AA4 4 GLU A 221 ILE A 222 0 SHEET 2 AA4 4 ALA A 213 LYS A 218 -1 N LYS A 218 O GLU A 221 SHEET 3 AA4 4 TYR A 256 GLU A 261 -1 O ARG A 257 N MET A 217 SHEET 4 AA4 4 GLY A 269 PHE A 271 -1 O PHE A 271 N CYS A 258 SHEET 1 AA5 4 LYS B 11 ALA B 16 0 SHEET 2 AA5 4 ASN B 26 PHE B 35 -1 O PHE B 31 N GLU B 13 SHEET 3 AA5 4 PHE B 67 PHE B 75 -1 O PHE B 67 N PHE B 35 SHEET 4 AA5 4 THR B 55 TYR B 56 -1 N THR B 55 O TYR B 72 SHEET 1 AA6 4 LYS B 11 ALA B 16 0 SHEET 2 AA6 4 ASN B 26 PHE B 35 -1 O PHE B 31 N GLU B 13 SHEET 3 AA6 4 PHE B 67 PHE B 75 -1 O PHE B 67 N PHE B 35 SHEET 4 AA6 4 SER B 60 PHE B 61 -1 N SER B 60 O GLN B 68 SHEET 1 AA7 4 GLU B 49 PRO B 50 0 SHEET 2 AA7 4 ASP B 41 LYS B 46 -1 N LYS B 46 O GLU B 49 SHEET 3 AA7 4 PHE B 83 ALA B 88 -1 O THR B 84 N LEU B 45 SHEET 4 AA7 4 ARG B 96 ARG B 99 -1 O ARG B 96 N VAL B 87 SSBOND 1 CYS A 101 CYS A 164 1555 1555 2.44 SSBOND 2 CYS A 202 CYS A 258 1555 1555 2.11 SSBOND 3 CYS B 30 CYS B 85 1555 1555 2.14 CISPEP 1 TYR A 208 PRO A 209 0 -1.08 CISPEP 2 HIS B 36 PRO B 37 0 -4.75 CRYST1 50.793 65.977 122.837 90.00 90.00 90.00 P 21 21 21 4 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 0.019688 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015157 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008141 0.00000