HEADER IMMUNE SYSTEM 01-SEP-22 8EC5 TITLE STRUCTURES OF HLA-B8E76C LOADED WITH LONG PEPTIDES REVEAL NOVEL TITLE 2 FEATURES AT THE N-TERMINUS OF THE GROOVE COMPND MOL_ID: 1; COMPND 2 MOLECULE: MHC CLASS I ANTIGEN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: BETA-2-MICROGLOBULIN; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: PEPTIDE RARARARARARAFVKKKYCL; COMPND 11 CHAIN: C; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: HLA-B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 GENE: B2M, CDABP0092, HDCMA22P; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 MOL_ID: 3; SOURCE 16 SYNTHETIC: YES; SOURCE 17 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 18 ORGANISM_TAXID: 11676 KEYWDS MHC CLASS I, ANTIGEN PROCESSING AND PRESENTATION, LONG PEPTIDES, HLA- KEYWDS 2 B8, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR L.LI,M.BOUVIER REVDAT 3 23-OCT-24 8EC5 1 REMARK REVDAT 2 14-FEB-24 8EC5 1 JRNL REVDAT 1 26-JUL-23 8EC5 0 JRNL AUTH L.LI,X.PENG,M.BATLIWALA,M.BOUVIER JRNL TITL CRYSTAL STRUCTURES OF MHC CLASS I COMPLEXES REVEAL THE JRNL TITL 2 ELUSIVE INTERMEDIATE CONFORMATIONS EXPLORED DURING PEPTIDE JRNL TITL 3 EDITING. JRNL REF NAT COMMUN V. 14 5020 2023 JRNL REFN ESSN 2041-1723 JRNL PMID 37596268 JRNL DOI 10.1038/S41467-023-40736-6 REMARK 2 REMARK 2 RESOLUTION. 1.22 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0232 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) : 1.22 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 126660 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) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.212 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 6556 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) : 1.22 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.25 REMARK 3 REFLECTION IN BIN (WORKING SET) : 8925 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.54 REMARK 3 BIN R VALUE (WORKING SET) : 0.2620 REMARK 3 BIN FREE R VALUE SET COUNT : 441 REMARK 3 BIN FREE R VALUE : 0.2750 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2999 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 357 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.99 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.16000 REMARK 3 B22 (A**2) : -1.13000 REMARK 3 B33 (A**2) : 1.29000 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): 0.043 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.043 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.028 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.603 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.958 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3080 ; 0.018 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2697 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4178 ; 1.948 ; 1.658 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6251 ; 1.510 ; 1.585 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 362 ; 6.695 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 197 ;29.676 ;21.320 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 505 ;12.335 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 29 ;20.462 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 384 ; 0.108 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3497 ; 0.012 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 718 ; 0.001 ; 0.020 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 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 8EC5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-SEP-22. REMARK 100 THE DEPOSITION ID IS D_1000268081. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-AUG-20 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 5.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-G REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97872 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 133304 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.220 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 (%) : 98.5 REMARK 200 DATA REDUNDANCY : 9.100 REMARK 200 R MERGE (I) : 0.07200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.22 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.24 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 8.10 REMARK 200 R MERGE FOR SHELL (I) : 0.67200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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: 6P2S REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM ACETATE, 15% PEG 10000, REMARK 280 0.1 M SODIUM CITRATE, PH 5.8, EVAPORATION, TEMPERATURE 298K 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 25.37900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.29000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.57450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.29000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.37900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.57450 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: 4530 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18690 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 SER A 42 REMARK 465 PRO A 43 REMARK 465 ARG A 44 REMARK 465 GLU A 45 REMARK 465 GLU A 46 REMARK 465 PRO A 47 REMARK 465 ARG A 48 REMARK 465 ALA A 49 REMARK 465 PRO A 50 REMARK 465 TRP A 51 REMARK 465 ILE A 52 REMARK 465 GLU A 53 REMARK 465 GLN A 54 REMARK 465 GLU A 55 REMARK 465 GLY A 56 REMARK 465 PRO A 57 REMARK 465 GLU A 58 REMARK 465 TYR A 59 REMARK 465 PRO A 276 REMARK 465 ARG C -10 REMARK 465 ALA C -9 REMARK 465 ARG C -8 REMARK 465 ALA C -7 REMARK 465 ARG C -6 REMARK 465 ALA C -5 REMARK 465 ARG C -4 REMARK 465 ALA C -3 REMARK 465 ARG C -2 REMARK 465 ALA C -1 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 ARG C 0 CG CD NE CZ NH1 NH2 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 303 O HOH A 484 2.04 REMARK 500 REMARK 500 REMARK: NULL 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 SER A 97 CA SER A 97 CB 0.096 REMARK 500 SER B 61 CB SER B 61 OG -0.079 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 ARG A 17 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 TYR A 27 CB - CG - CD1 ANGL. DEV. = 4.3 DEGREES REMARK 500 TYR A 84 CB - CG - CD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 ARG A 111 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 TYR A 116 CB - CG - CD2 ANGL. DEV. = 4.3 DEGREES REMARK 500 TYR A 116 CG - CD1 - CE1 ANGL. DEV. = 5.1 DEGREES REMARK 500 ARG A 219 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 ARG A 219 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES 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 ARG A 14 63.73 -156.78 REMARK 500 ASP A 29 -126.76 52.45 REMARK 500 ASN A 114 99.02 -161.49 REMARK 500 ARG A 239 -24.44 91.47 REMARK 500 TRP B 60 -3.23 80.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 116 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 8EC5 A 1 276 UNP R4ZGR5 R4ZGR5_HUMAN 25 300 DBREF 8EC5 B 1 99 UNP P61769 B2MG_HUMAN 21 119 DBREF 8EC5 C -10 9 PDB 8EC5 8EC5 -10 9 SEQADV 8EC5 CYS A 76 UNP R4ZGR5 GLU 100 ENGINEERED MUTATION SEQRES 1 A 276 GLY SER HIS SER MET ARG TYR PHE ASP THR ALA MET SER SEQRES 2 A 276 ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE SER VAL GLY SEQRES 3 A 276 TYR VAL ASP ASP THR GLN PHE VAL ARG PHE ASP SER ASP SEQRES 4 A 276 ALA ALA SER PRO ARG GLU GLU PRO ARG ALA PRO TRP ILE SEQRES 5 A 276 GLU GLN GLU GLY PRO GLU TYR TRP ASP ARG ASN THR GLN SEQRES 6 A 276 ILE PHE LYS THR ASN THR GLN THR ASP ARG CYS SER LEU SEQRES 7 A 276 ARG ASN LEU ARG GLY TYR TYR ASN GLN SER GLU ALA GLY SEQRES 8 A 276 SER HIS THR LEU GLN SER MET TYR GLY CYS ASP VAL GLY SEQRES 9 A 276 PRO ASP GLY ARG LEU LEU ARG GLY HIS ASN GLN TYR ALA SEQRES 10 A 276 TYR ASP GLY LYS ASP TYR ILE ALA LEU ASN GLU ASP LEU SEQRES 11 A 276 ARG SER TRP THR ALA ALA ASP THR ALA ALA GLN ILE THR SEQRES 12 A 276 GLN ARG LYS TRP GLU ALA ALA ARG VAL ALA GLU GLN ASP SEQRES 13 A 276 ARG ALA TYR LEU GLU GLY THR CYS VAL GLU TRP LEU ARG SEQRES 14 A 276 ARG TYR LEU GLU ASN GLY LYS ASP THR LEU GLU ARG ALA SEQRES 15 A 276 ASP PRO PRO LYS THR HIS VAL THR HIS HIS PRO ILE SER SEQRES 16 A 276 ASP HIS GLU ALA THR LEU ARG CYS TRP ALA LEU GLY PHE SEQRES 17 A 276 TYR PRO ALA GLU ILE THR LEU THR TRP GLN ARG ASP GLY SEQRES 18 A 276 GLU ASP GLN THR GLN ASP THR GLU LEU VAL GLU THR ARG SEQRES 19 A 276 PRO ALA GLY ASP ARG THR PHE GLN LYS TRP ALA ALA VAL SEQRES 20 A 276 VAL VAL PRO SER GLY GLU GLU GLN ARG TYR THR CYS HIS SEQRES 21 A 276 VAL GLN HIS GLU GLY LEU PRO LYS PRO LEU THR LEU ARG SEQRES 22 A 276 TRP GLU PRO SEQRES 1 B 99 ILE GLN ARG THR PRO LYS ILE GLN VAL TYR SER ARG HIS SEQRES 2 B 99 PRO ALA GLU ASN GLY LYS SER ASN PHE LEU ASN CYS TYR SEQRES 3 B 99 VAL SER GLY PHE HIS PRO SER ASP ILE GLU VAL ASP LEU SEQRES 4 B 99 LEU LYS ASN GLY GLU ARG ILE GLU LYS VAL GLU HIS SER SEQRES 5 B 99 ASP LEU SER PHE SER LYS ASP TRP SER PHE TYR LEU LEU SEQRES 6 B 99 TYR TYR THR GLU PHE THR PRO THR GLU LYS ASP GLU TYR SEQRES 7 B 99 ALA CYS ARG VAL ASN HIS VAL THR LEU SER GLN PRO LYS SEQRES 8 B 99 ILE VAL LYS TRP ASP ARG ASP MET SEQRES 1 C 20 ARG ALA ARG ALA ARG ALA ARG ALA ARG ALA ARG ALA PHE SEQRES 2 C 20 VAL LYS LYS LYS TYR CYS LEU FORMUL 4 HOH *357(H2 O) HELIX 1 AA1 ASP A 61 TYR A 85 1 25 HELIX 2 AA2 ASP A 137 ALA A 150 1 14 HELIX 3 AA3 ARG A 151 GLY A 162 1 12 HELIX 4 AA4 GLY A 162 GLY A 175 1 14 HELIX 5 AA5 GLY A 175 GLU A 180 1 6 HELIX 6 AA6 THR A 225 THR A 228 5 4 HELIX 7 AA7 GLU A 253 GLN A 255 5 3 SHEET 1 AA1 7 THR A 31 ASP A 37 0 SHEET 2 AA1 7 ARG A 21 VAL A 28 -1 N GLY A 26 O PHE A 33 SHEET 3 AA1 7 HIS A 3 MET A 12 -1 N THR A 10 O ILE A 23 SHEET 4 AA1 7 THR A 94 VAL A 103 -1 O VAL A 103 N HIS A 3 SHEET 5 AA1 7 LEU A 109 TYR A 118 -1 O LEU A 110 N ASP A 102 SHEET 6 AA1 7 LYS A 121 LEU A 126 -1 O TYR A 123 N TYR A 116 SHEET 7 AA1 7 TRP A 133 ALA A 135 -1 O THR A 134 N ALA A 125 SHEET 1 AA2 4 LYS A 186 PRO A 193 0 SHEET 2 AA2 4 GLU A 198 PHE A 208 -1 O LEU A 206 N LYS A 186 SHEET 3 AA2 4 PHE A 241 PRO A 250 -1 O VAL A 249 N ALA A 199 SHEET 4 AA2 4 GLU A 229 LEU A 230 -1 N GLU A 229 O ALA A 246 SHEET 1 AA3 4 LYS A 186 PRO A 193 0 SHEET 2 AA3 4 GLU A 198 PHE A 208 -1 O LEU A 206 N LYS A 186 SHEET 3 AA3 4 PHE A 241 PRO A 250 -1 O VAL A 249 N ALA A 199 SHEET 4 AA3 4 ARG A 234 PRO A 235 -1 N ARG A 234 O GLN A 242 SHEET 1 AA4 4 GLU A 222 ASP A 223 0 SHEET 2 AA4 4 THR A 214 ARG A 219 -1 N ARG A 219 O GLU A 222 SHEET 3 AA4 4 TYR A 257 GLN A 262 -1 O HIS A 260 N THR A 216 SHEET 4 AA4 4 LEU A 270 LEU A 272 -1 O LEU A 272 N CYS A 259 SHEET 1 AA5 4 LYS B 6 SER B 11 0 SHEET 2 AA5 4 ASN B 21 PHE B 30 -1 O ASN B 24 N TYR B 10 SHEET 3 AA5 4 PHE B 62 PHE B 70 -1 O THR B 68 N LEU B 23 SHEET 4 AA5 4 GLU B 50 HIS B 51 -1 N GLU B 50 O TYR B 67 SHEET 1 AA6 4 LYS B 6 SER B 11 0 SHEET 2 AA6 4 ASN B 21 PHE B 30 -1 O ASN B 24 N TYR B 10 SHEET 3 AA6 4 PHE B 62 PHE B 70 -1 O THR B 68 N LEU B 23 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 44 ARG B 45 0 SHEET 2 AA7 4 GLU B 36 LYS B 41 -1 N LYS B 41 O GLU B 44 SHEET 3 AA7 4 TYR B 78 ASN B 83 -1 O ARG B 81 N ASP B 38 SHEET 4 AA7 4 LYS B 91 LYS B 94 -1 O LYS B 91 N VAL B 82 SSBOND 1 CYS A 76 CYS C 8 1555 1555 2.13 SSBOND 2 CYS A 101 CYS A 164 1555 1555 2.32 SSBOND 3 CYS A 203 CYS A 259 1555 1555 2.04 SSBOND 4 CYS B 25 CYS B 80 1555 1555 1.99 CISPEP 1 TYR A 209 PRO A 210 0 1.13 CISPEP 2 HIS B 31 PRO B 32 0 -1.25 CRYST1 50.758 81.149 110.580 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 0.019701 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012323 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009043 0.00000