PDB Short entry for 1I8L HEADER IMMUNE SYSTEM 14-MAR-01 1I8L TITLE HUMAN B7-1/CTLA-4 CO-STIMULATORY COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: T LYMPHOCYTE ACTIVATION ANTIGEN CD80; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: EXTRACELLULAR DOMAIN, RESIDUES 35-242; COMPND 5 SYNONYM: ACTIVATION B7-1 ANTIGEN, CTLA-4 COUNTER-RECEPTOR B7.1; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: CYTOTOXIC T-LYMPHOCYTE PROTEIN 4; COMPND 9 CHAIN: C, D; COMPND 10 FRAGMENT: EXTRACELLULAR DOMAIN, RESIDUES 36-161; COMPND 11 SYNONYM: CTLA-4, CYTOTOXIC T-LYMPHOCYTE-ASSOCIATED ANTIGEN 4; 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 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 6 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 13 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 10029 KEYWDS RECEPTORS, INHIBITORY COMPLEX, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR C.C.STAMPER,W.S.SOMERS,L.MOSYAK REVDAT 6 03-APR-24 1I8L 1 HETSYN REVDAT 5 29-JUL-20 1I8L 1 COMPND REMARK HETNAM SITE REVDAT 4 13-JUL-11 1I8L 1 VERSN REVDAT 3 24-FEB-09 1I8L 1 VERSN REVDAT 2 03-FEB-04 1I8L 1 REMARK REVDAT 1 04-APR-01 1I8L 0 JRNL AUTH C.C.STAMPER,Y.ZHANG,J.F.TOBIN,D.V.ERBE,S.IKEMIZU,S.J.DAVIS, JRNL AUTH 2 M.L.STAHL,J.SEEHRA,W.S.SOMERS,L.MOSYAK JRNL TITL CRYSTAL STRUCTURE OF THE B7-1/CTLA-4 COMPLEX THAT INHIBITS JRNL TITL 2 HUMAN IMMUNE RESPONSES. JRNL REF NATURE V. 410 608 2001 JRNL REFN ISSN 0028-0836 JRNL PMID 11279502 JRNL DOI 10.1038/35069118 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD USING AMPLITUDES REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.77 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 162155.860 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 82.9 REMARK 3 NUMBER OF REFLECTIONS : 31405 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 SET) : 0.229 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1887 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.19 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 55.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3271 REMARK 3 BIN R VALUE (WORKING SET) : 0.3080 REMARK 3 BIN FREE R VALUE : 0.3390 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 204 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.024 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4834 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 274 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 75.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 36.05000 REMARK 3 B22 (A**2) : -12.34000 REMARK 3 B33 (A**2) : -23.71000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.38 REMARK 3 ESD FROM SIGMAA (A) : 0.57 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.44 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.58 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.850 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.200 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.870 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.880 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.570 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.25 REMARK 3 BSOL : 20.32 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : NAG_MAN.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NAG_MAN.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1I8L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-MAR-01. REMARK 100 THE DEPOSITION ID IS D_1000013040. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.3 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 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 : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38815 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.35100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: HUMAN B7-1 DIMER REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 6.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 16% PEG 8000, 0.1M CACODYLATE, PH 6.3, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 115.36300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 115.36300 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 44.30000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 91.61900 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 44.30000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 91.61900 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 115.36300 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 44.30000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 91.61900 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 115.36300 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 44.30000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 91.61900 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D 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 200 REMARK 465 LYS A 201 REMARK 465 GLN A 202 REMARK 465 GLU A 203 REMARK 465 HIS A 204 REMARK 465 PHE A 205 REMARK 465 PRO A 206 REMARK 465 ASP A 207 REMARK 465 ASN A 208 REMARK 465 THR B 200 REMARK 465 LYS B 201 REMARK 465 GLN B 202 REMARK 465 GLU B 203 REMARK 465 HIS B 204 REMARK 465 PHE B 205 REMARK 465 PRO B 206 REMARK 465 ASP B 207 REMARK 465 ASN B 208 REMARK 465 LYS C 1 REMARK 465 ALA C 2 REMARK 465 PRO C 121 REMARK 465 CYS C 122 REMARK 465 PRO C 123 REMARK 465 ASP C 124 REMARK 465 SER C 125 REMARK 465 ASP C 126 REMARK 465 LYS D 1 REMARK 465 ALA D 2 REMARK 465 PRO D 121 REMARK 465 CYS D 122 REMARK 465 PRO D 123 REMARK 465 ASP D 124 REMARK 465 SER D 125 REMARK 465 ASP D 126 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 LYS A 37 CG CD CE NZ REMARK 470 LYS A 54 CG CD CE NZ REMARK 470 GLU A 117 CG CD OE1 OE2 REMARK 470 THR A 120 OG1 CG2 REMARK 470 SER A 121 OG REMARK 470 ASN A 122 CG OD1 ND2 REMARK 470 ILE A 123 CG1 CG2 CD1 REMARK 470 ASN A 177 CG OD1 ND2 REMARK 470 LYS B 9 CG CD CE NZ REMARK 470 LYS B 37 CG CD CE NZ REMARK 470 LYS B 86 CG CD CE NZ REMARK 470 LYS B 89 CG CD CE NZ REMARK 470 GLU B 117 CG CD OE1 OE2 REMARK 470 ASN B 122 CG OD1 ND2 REMARK 470 ILE B 123 CG1 CG2 CD1 REMARK 470 GLU B 160 CG CD OE1 OE2 REMARK 470 THR B 176 OG1 CG2 REMARK 470 THR B 199 OG1 CG2 REMARK 470 LEU C 12 CG CD1 CD2 REMARK 470 ARG C 16 CG CD NE CZ NH1 NH2 REMARK 470 LYS C 30 CG CD CE NZ REMARK 470 ASP C 43 CG OD1 OD2 REMARK 470 GLU C 59 CG CD OE1 OE2 REMARK 470 LEU D 12 CG CD1 CD2 REMARK 470 ARG D 16 CG CD NE CZ NH1 NH2 REMARK 470 LYS D 30 CG CD CE NZ REMARK 470 GLN D 45 CG CD OE1 NE2 REMARK 470 TYR D 54 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU D 59 CG CD OE1 OE2 REMARK 470 ASP D 64 CG OD1 OD2 REMARK 470 ASP D 65 CG OD1 OD2 REMARK 470 GLN D 76 CG CD OE1 NE2 REMARK 470 ARG D 85 CG CD NE CZ NH1 NH2 REMARK 470 GLU D 120 CG CD OE1 OE2 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 PRO B 51 C - N - CA ANGL. DEV. = 9.1 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 VAL A 8 -33.50 -28.20 REMARK 500 GLN A 27 34.59 -99.68 REMARK 500 GLU A 35 -120.21 61.79 REMARK 500 ASN A 48 110.84 -168.31 REMARK 500 GLU A 52 -15.01 -49.66 REMARK 500 LYS A 54 -26.26 -21.15 REMARK 500 ASP A 60 75.87 -69.81 REMARK 500 ASN A 63 73.78 -102.63 REMARK 500 LEU A 65 23.94 47.21 REMARK 500 LYS A 89 -96.05 48.73 REMARK 500 ALA A 106 51.66 -152.96 REMARK 500 SER A 121 -99.13 -33.12 REMARK 500 THR A 130 142.51 -176.88 REMARK 500 PRO A 135 -158.77 -75.06 REMARK 500 GLU A 143 -61.97 -100.50 REMARK 500 ILE A 151 -73.80 -76.74 REMARK 500 GLU A 162 -6.87 79.70 REMARK 500 ASN A 192 -157.37 -129.65 REMARK 500 GLN A 193 138.50 -173.87 REMARK 500 ASN A 198 -85.07 -124.49 REMARK 500 LYS B 9 -31.83 70.25 REMARK 500 HIS B 18 140.62 -179.04 REMARK 500 GLU B 35 -124.04 60.70 REMARK 500 ASN B 48 111.79 -176.35 REMARK 500 LYS B 54 -56.25 -9.54 REMARK 500 ALA B 71 74.30 73.09 REMARK 500 LYS B 89 -95.13 36.69 REMARK 500 ALA B 91 -178.98 -178.56 REMARK 500 ALA B 106 46.50 -149.90 REMARK 500 PHE B 116 136.65 -178.62 REMARK 500 THR B 130 136.47 171.86 REMARK 500 PRO B 135 -161.67 -78.09 REMARK 500 GLU B 143 -60.31 -99.13 REMARK 500 GLU B 162 -1.44 76.14 REMARK 500 THR B 175 -52.79 -133.76 REMARK 500 ASN B 192 -157.23 -141.45 REMARK 500 GLN B 193 144.22 -172.03 REMARK 500 ALA C 13 -161.33 -66.74 REMARK 500 ARG C 16 -92.29 -62.85 REMARK 500 PHE C 21 154.48 178.78 REMARK 500 SER C 27 97.73 -57.12 REMARK 500 LYS C 30 92.43 -68.31 REMARK 500 ALA C 31 -92.72 -43.77 REMARK 500 THR C 32 -58.64 83.76 REMARK 500 ALA C 42 126.65 -173.31 REMARK 500 CYS C 50 166.61 175.36 REMARK 500 MET C 56 103.65 -44.21 REMARK 500 ASN C 75 40.46 -81.98 REMARK 500 ASN C 78 72.93 -102.34 REMARK 500 PRO C 119 149.96 -39.56 REMARK 500 REMARK 500 THIS ENTRY HAS 68 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 NAG A 209 REMARK 610 NAG A 210 REMARK 610 NAG A 211 REMARK 610 NAG A 212 REMARK 610 MAN A 213 REMARK 610 NAG A 214 REMARK 610 NAG A 215 REMARK 610 NAG A 216 REMARK 610 NAG B 209 REMARK 610 NAG B 210 REMARK 610 NAG B 211 REMARK 610 NAG B 212 REMARK 610 MAN B 213 REMARK 610 NAG B 214 REMARK 610 NAG B 215 REMARK 610 NAG B 216 REMARK 610 NAG C 127 REMARK 610 NAG C 128 REMARK 610 NAG D 127 REMARK 610 NAG D 128 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DR9 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A SOLUBLE FORM OF B7-1 (CD80) DBREF 1I8L A 1 208 UNP P33681 CD80_HUMAN 35 242 DBREF 1I8L B 1 208 UNP P33681 CD80_HUMAN 35 242 DBREF 1I8L C 1 126 UNP P16410 CTLA4_HUMAN 36 161 DBREF 1I8L D 1 126 UNP P16410 CTLA4_HUMAN 36 161 SEQRES 1 A 208 VAL ILE HIS VAL THR LYS GLU VAL LYS GLU VAL ALA THR SEQRES 2 A 208 LEU SER CYS GLY HIS ASN VAL SER VAL GLU GLU LEU ALA SEQRES 3 A 208 GLN THR ARG ILE TYR TRP GLN LYS GLU LYS LYS MET VAL SEQRES 4 A 208 LEU THR MET MET SER GLY ASP MET ASN ILE TRP PRO GLU SEQRES 5 A 208 TYR LYS ASN ARG THR ILE PHE ASP ILE THR ASN ASN LEU SEQRES 6 A 208 SER ILE VAL ILE LEU ALA LEU ARG PRO SER ASP GLU GLY SEQRES 7 A 208 THR TYR GLU CYS VAL VAL LEU LYS TYR GLU LYS ASP ALA SEQRES 8 A 208 PHE LYS ARG GLU HIS LEU ALA GLU VAL THR LEU SER VAL SEQRES 9 A 208 LYS ALA ASP PHE PRO THR PRO SER ILE SER ASP PHE GLU SEQRES 10 A 208 ILE PRO THR SER ASN ILE ARG ARG ILE ILE CYS SER THR SEQRES 11 A 208 SER GLY GLY PHE PRO GLU PRO HIS LEU SER TRP LEU GLU SEQRES 12 A 208 ASN GLY GLU GLU LEU ASN ALA ILE ASN THR THR VAL SER SEQRES 13 A 208 GLN ASP PRO GLU THR GLU LEU TYR ALA VAL SER SER LYS SEQRES 14 A 208 LEU ASP PHE ASN MET THR THR ASN HIS SER PHE MET CYS SEQRES 15 A 208 LEU ILE LYS TYR GLY HIS LEU ARG VAL ASN GLN THR PHE SEQRES 16 A 208 ASN TRP ASN THR THR LYS GLN GLU HIS PHE PRO ASP ASN SEQRES 1 B 208 VAL ILE HIS VAL THR LYS GLU VAL LYS GLU VAL ALA THR SEQRES 2 B 208 LEU SER CYS GLY HIS ASN VAL SER VAL GLU GLU LEU ALA SEQRES 3 B 208 GLN THR ARG ILE TYR TRP GLN LYS GLU LYS LYS MET VAL SEQRES 4 B 208 LEU THR MET MET SER GLY ASP MET ASN ILE TRP PRO GLU SEQRES 5 B 208 TYR LYS ASN ARG THR ILE PHE ASP ILE THR ASN ASN LEU SEQRES 6 B 208 SER ILE VAL ILE LEU ALA LEU ARG PRO SER ASP GLU GLY SEQRES 7 B 208 THR TYR GLU CYS VAL VAL LEU LYS TYR GLU LYS ASP ALA SEQRES 8 B 208 PHE LYS ARG GLU HIS LEU ALA GLU VAL THR LEU SER VAL SEQRES 9 B 208 LYS ALA ASP PHE PRO THR PRO SER ILE SER ASP PHE GLU SEQRES 10 B 208 ILE PRO THR SER ASN ILE ARG ARG ILE ILE CYS SER THR SEQRES 11 B 208 SER GLY GLY PHE PRO GLU PRO HIS LEU SER TRP LEU GLU SEQRES 12 B 208 ASN GLY GLU GLU LEU ASN ALA ILE ASN THR THR VAL SER SEQRES 13 B 208 GLN ASP PRO GLU THR GLU LEU TYR ALA VAL SER SER LYS SEQRES 14 B 208 LEU ASP PHE ASN MET THR THR ASN HIS SER PHE MET CYS SEQRES 15 B 208 LEU ILE LYS TYR GLY HIS LEU ARG VAL ASN GLN THR PHE SEQRES 16 B 208 ASN TRP ASN THR THR LYS GLN GLU HIS PHE PRO ASP ASN SEQRES 1 C 126 LYS ALA MET HIS VAL ALA GLN PRO ALA VAL VAL LEU ALA SEQRES 2 C 126 SER SER ARG GLY ILE ALA SER PHE VAL CYS GLU TYR ALA SEQRES 3 C 126 SER PRO GLY LYS ALA THR GLU VAL ARG VAL THR VAL LEU SEQRES 4 C 126 ARG GLN ALA ASP SER GLN VAL THR GLU VAL CYS ALA ALA SEQRES 5 C 126 THR TYR MET MET GLY ASN GLU LEU THR PHE LEU ASP ASP SEQRES 6 C 126 SER ILE CYS THR GLY THR SER SER GLY ASN GLN VAL ASN SEQRES 7 C 126 LEU THR ILE GLN GLY LEU ARG ALA MET ASP THR GLY LEU SEQRES 8 C 126 TYR ILE CYS LYS VAL GLU LEU MET TYR PRO PRO PRO TYR SEQRES 9 C 126 TYR LEU GLY ILE GLY ASN GLY ALA GLN ILE TYR VAL ILE SEQRES 10 C 126 ASP PRO GLU PRO CYS PRO ASP SER ASP SEQRES 1 D 126 LYS ALA MET HIS VAL ALA GLN PRO ALA VAL VAL LEU ALA SEQRES 2 D 126 SER SER ARG GLY ILE ALA SER PHE VAL CYS GLU TYR ALA SEQRES 3 D 126 SER PRO GLY LYS ALA THR GLU VAL ARG VAL THR VAL LEU SEQRES 4 D 126 ARG GLN ALA ASP SER GLN VAL THR GLU VAL CYS ALA ALA SEQRES 5 D 126 THR TYR MET MET GLY ASN GLU LEU THR PHE LEU ASP ASP SEQRES 6 D 126 SER ILE CYS THR GLY THR SER SER GLY ASN GLN VAL ASN SEQRES 7 D 126 LEU THR ILE GLN GLY LEU ARG ALA MET ASP THR GLY LEU SEQRES 8 D 126 TYR ILE CYS LYS VAL GLU LEU MET TYR PRO PRO PRO TYR SEQRES 9 D 126 TYR LEU GLY ILE GLY ASN GLY ALA GLN ILE TYR VAL ILE SEQRES 10 D 126 ASP PRO GLU PRO CYS PRO ASP SER ASP HET NAG A 209 14 HET NAG A 210 14 HET NAG A 211 14 HET NAG A 212 14 HET MAN A 213 11 HET NAG A 214 14 HET NAG A 215 14 HET NAG A 216 14 HET NAG B 209 14 HET NAG B 210 14 HET NAG B 211 14 HET NAG B 212 14 HET MAN B 213 11 HET NAG B 214 14 HET NAG B 215 14 HET NAG B 216 14 HET NAG C 127 14 HET NAG C 128 14 HET NAG D 127 14 HET NAG D 128 14 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM MAN ALPHA-D-MANNOPYRANOSE HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE HETSYN MAN ALPHA-D-MANNOSE; D-MANNOSE; MANNOSE FORMUL 5 NAG 18(C8 H15 N O6) FORMUL 9 MAN 2(C6 H12 O6) HELIX 1 1 SER A 21 ALA A 26 1 6 HELIX 2 2 ARG A 73 GLU A 77 5 5 HELIX 3 3 SER B 21 ALA B 26 1 6 HELIX 4 4 ARG B 73 GLU B 77 5 5 HELIX 5 5 ARG C 85 THR C 89 5 5 SHEET 1 A 6 ILE A 2 GLU A 7 0 SHEET 2 A 6 ALA A 91 LYS A 105 1 O GLU A 99 N ILE A 2 SHEET 3 A 6 GLY A 78 GLU A 88 -1 O GLY A 78 N LEU A 102 SHEET 4 A 6 THR A 28 LYS A 34 -1 O ARG A 29 N LEU A 85 SHEET 5 A 6 LYS A 37 MET A 43 -1 O LYS A 37 N LYS A 34 SHEET 6 A 6 ASP A 46 ILE A 49 -1 O ASP A 46 N MET A 43 SHEET 1 B 3 ALA A 12 LEU A 14 0 SHEET 2 B 3 SER A 66 ILE A 69 -1 O ILE A 67 N LEU A 14 SHEET 3 B 3 THR A 57 ASP A 60 -1 N ILE A 58 O VAL A 68 SHEET 1 C 4 SER A 112 GLU A 117 0 SHEET 2 C 4 ILE A 123 GLY A 133 -1 O ARG A 125 N PHE A 116 SHEET 3 C 4 TYR A 164 ASN A 173 -1 N TYR A 164 O GLY A 133 SHEET 4 C 4 THR A 153 GLN A 157 -1 N THR A 154 O SER A 167 SHEET 1 D 3 PRO A 137 LEU A 142 0 SHEET 2 D 3 SER A 179 TYR A 186 -1 N MET A 181 O LEU A 142 SHEET 3 D 3 LEU A 189 VAL A 191 -1 O LEU A 189 N TYR A 186 SHEET 1 E 3 PRO A 137 LEU A 142 0 SHEET 2 E 3 SER A 179 TYR A 186 -1 N MET A 181 O LEU A 142 SHEET 3 E 3 THR A 194 ASN A 196 -1 N PHE A 195 O PHE A 180 SHEET 1 F 5 ILE B 2 GLU B 7 0 SHEET 2 F 5 ALA B 91 LYS B 105 1 O GLU B 99 N ILE B 2 SHEET 3 F 5 GLY B 78 GLU B 88 -1 N GLY B 78 O LEU B 102 SHEET 4 F 5 THR B 28 LYS B 34 -1 O ARG B 29 N LEU B 85 SHEET 5 F 5 LYS B 37 MET B 43 -1 N LYS B 37 O LYS B 34 SHEET 1 G 3 ALA B 12 LEU B 14 0 SHEET 2 G 3 SER B 66 ILE B 69 -1 O ILE B 67 N LEU B 14 SHEET 3 G 3 THR B 57 ASP B 60 -1 O ILE B 58 N VAL B 68 SHEET 1 H 4 SER B 112 GLU B 117 0 SHEET 2 H 4 ILE B 123 GLY B 133 -1 N ARG B 125 O PHE B 116 SHEET 3 H 4 TYR B 164 ASN B 173 -1 N TYR B 164 O GLY B 133 SHEET 4 H 4 ASN B 152 GLN B 157 -1 O ASN B 152 N LYS B 169 SHEET 1 I 3 LEU B 139 LEU B 142 0 SHEET 2 I 3 HIS B 178 TYR B 186 -1 N MET B 181 O LEU B 142 SHEET 3 I 3 LEU B 189 TRP B 197 -1 O LEU B 189 N TYR B 186 SHEET 1 J 3 VAL C 5 ALA C 6 0 SHEET 2 J 3 ALA C 19 TYR C 25 -1 O GLU C 24 N ALA C 6 SHEET 3 J 3 GLN C 76 ILE C 81 -1 N VAL C 77 O CYS C 23 SHEET 1 K 4 GLU C 48 MET C 55 0 SHEET 2 K 4 GLU C 33 GLN C 41 -1 O VAL C 34 N TYR C 54 SHEET 3 K 4 GLY C 90 TYR C 100 -1 O LEU C 91 N GLN C 41 SHEET 4 K 4 TYR C 105 ILE C 108 -1 O TYR C 105 N LEU C 98 SHEET 1 L 5 GLU C 48 MET C 55 0 SHEET 2 L 5 GLU C 33 GLN C 41 -1 O VAL C 34 N TYR C 54 SHEET 3 L 5 GLY C 90 TYR C 100 -1 O LEU C 91 N GLN C 41 SHEET 4 L 5 ALA C 112 TYR C 115 -1 O ALA C 112 N TYR C 92 SHEET 5 L 5 VAL C 10 LEU C 12 1 N VAL C 11 O GLN C 113 SHEET 1 M 4 VAL D 5 ALA D 6 0 SHEET 2 M 4 PHE D 21 TYR D 25 -1 O GLU D 24 N ALA D 6 SHEET 3 M 4 GLN D 76 LEU D 79 -1 N VAL D 77 O CYS D 23 SHEET 4 M 4 SER D 72 SER D 73 -1 O SER D 73 N GLN D 76 SHEET 1 N 3 VAL D 10 LEU D 12 0 SHEET 2 N 3 ALA D 112 TYR D 115 1 O GLN D 113 N VAL D 11 SHEET 3 N 3 GLY D 90 TYR D 92 -1 O GLY D 90 N ILE D 114 SHEET 1 O 4 GLN D 45 TYR D 54 0 SHEET 2 O 4 GLU D 33 ALA D 42 -1 O VAL D 34 N TYR D 54 SHEET 3 O 4 CYS D 94 TYR D 100 -1 N LYS D 95 O THR D 37 SHEET 4 O 4 TYR D 105 ILE D 108 -1 O TYR D 105 N LEU D 98 SSBOND 1 CYS A 16 CYS A 82 1555 1555 2.04 SSBOND 2 CYS A 128 CYS A 182 1555 1555 2.03 SSBOND 3 CYS B 16 CYS B 82 1555 1555 2.05 SSBOND 4 CYS B 128 CYS B 182 1555 1555 2.03 SSBOND 5 CYS C 23 CYS C 94 1555 1555 2.03 SSBOND 6 CYS C 50 CYS C 68 1555 1555 2.03 SSBOND 7 CYS D 23 CYS D 94 1555 1555 2.03 SSBOND 8 CYS D 50 CYS D 68 1555 1555 2.03 CISPEP 1 PHE A 134 PRO A 135 0 -1.23 CISPEP 2 PHE B 134 PRO B 135 0 -0.07 CISPEP 3 TYR C 100 PRO C 101 0 0.12 CISPEP 4 PRO C 102 PRO C 103 0 3.40 CISPEP 5 TYR D 100 PRO D 101 0 -1.66 CISPEP 6 PRO D 102 PRO D 103 0 2.97 CRYST1 88.600 183.238 230.726 90.00 90.00 90.00 C 2 2 21 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 0.011287 0.000000 0.000000 0.00000 SCALE2 0.000000 0.005457 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004334 0.00000