HEADER ANTITUMOR PROTEIN/IMMUNE SYSTEM 23-SEP-24 9DQ3 TITLE CRYSTAL STRUCTURE OF ENGINEERED IPILIMUMAB (MIPI.4) FAB IN COMPLEX TITLE 2 WITH HUMAN CTLA-4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOTOXIC T-LYMPHOCYTE PROTEIN 4; COMPND 3 CHAIN: C; COMPND 4 FRAGMENT: EXTRACELLULAR DOMAIN OF HUMAN CTLA-4 WITH HEXAHISTIDINE COMPND 5 TAG; COMPND 6 SYNONYM: CYTOTOXIC T-LYMPHOCYTE-ASSOCIATED ANTIGEN 4,CTLA-4; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: MIPI.4 HEAVY CHAIN; COMPND 10 CHAIN: H; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 3; COMPND 13 MOLECULE: MIPI.4 LIGHT CHAIN; COMPND 14 CHAIN: L; COMPND 15 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL_LINE: EXPI293F; SOURCE 6 GENE: CTLA4, CD152; SOURCE 7 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 8 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 10 EXPRESSION_SYSTEM_CELL_LINE: EXPI293F; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 CELL_LINE: EXPI293F; SOURCE 16 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 17 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 18 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 19 EXPRESSION_SYSTEM_CELL_LINE: EXPI293F; SOURCE 20 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 21 EXPRESSION_SYSTEM_PLASMID: PTT5; SOURCE 22 MOL_ID: 3; SOURCE 23 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 24 ORGANISM_COMMON: HUMAN; SOURCE 25 ORGANISM_TAXID: 9606; SOURCE 26 CELL_LINE: EXPI293F; SOURCE 27 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 28 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 29 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 30 EXPRESSION_SYSTEM_CELL_LINE: EXPI293F KEYWDS ANTIBODY, CTLA-4, ANTITUMOR PROTEIN-IMMUNE SYSTEM COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.J.DIONG,P.S.LEE REVDAT 1 05-FEB-25 9DQ3 0 JRNL AUTH B.ROBISON,S.J.DIONG,A.KUMAR,T.M.MOON,O.CHANG,B.CHAU,C.BEE, JRNL AUTH 2 I.BARMAN,A.RAJPAL,A.J.KORMAN,S.WEST,P.STROP,P.S.LEE JRNL TITL ENGINEERED IPILIMUMAB VARIANTS THAT BIND HUMAN AND MOUSE JRNL TITL 2 CTLA-4. JRNL REF MABS V. 17 51296 2025 JRNL REFN ESSN 1942-0870 JRNL PMID 39849917 JRNL DOI 10.1080/19420862.2025.2451296 REMARK 2 REMARK 2 RESOLUTION. 1.64 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.20.1_4487: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.64 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.96 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 78.3 REMARK 3 NUMBER OF REFLECTIONS : 59224 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.234 REMARK 3 R VALUE (WORKING SET) : 0.232 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.980 REMARK 3 FREE R VALUE TEST SET COUNT : 2949 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 41.9600 - 4.5100 1.00 3685 200 0.1985 0.2424 REMARK 3 2 4.5100 - 3.5800 1.00 3529 171 0.1921 0.2204 REMARK 3 3 3.5800 - 3.1300 1.00 3454 198 0.2306 0.2694 REMARK 3 4 3.1300 - 2.8400 1.00 3440 169 0.2474 0.2934 REMARK 3 5 2.8400 - 2.6400 1.00 3469 181 0.2585 0.3153 REMARK 3 6 2.6400 - 2.4800 1.00 3439 171 0.2635 0.2866 REMARK 3 7 2.4800 - 2.3600 1.00 3390 195 0.2501 0.2591 REMARK 3 8 2.3600 - 2.2600 1.00 3430 182 0.2550 0.2884 REMARK 3 9 2.2600 - 2.1700 1.00 3416 165 0.2370 0.2542 REMARK 3 10 2.1700 - 2.0900 1.00 3407 168 0.2437 0.2676 REMARK 3 11 2.0900 - 2.0300 1.00 3371 189 0.2413 0.2796 REMARK 3 12 2.0300 - 1.9700 0.96 3282 179 0.2447 0.2720 REMARK 3 13 1.9700 - 1.9200 0.92 3122 151 0.2364 0.2739 REMARK 3 14 1.9200 - 1.8700 0.85 2873 165 0.2459 0.2815 REMARK 3 15 1.8700 - 1.8300 0.78 2650 137 0.2524 0.2992 REMARK 3 16 1.8300 - 1.7900 0.69 2306 136 0.2671 0.2869 REMARK 3 17 1.7900 - 1.7600 0.46 1584 69 0.2719 0.2991 REMARK 3 18 1.7600 - 1.7200 0.30 1004 48 0.2695 0.4875 REMARK 3 19 1.7200 - 1.6900 0.20 691 37 0.2737 0.2823 REMARK 3 20 1.6900 - 1.6600 0.14 454 28 0.2935 0.3831 REMARK 3 21 1.6600 - 1.6400 0.08 279 10 0.3229 0.2809 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.090 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 NULL REMARK 3 ANGLE : 0.931 NULL REMARK 3 CHIRALITY : 0.055 621 REMARK 3 PLANARITY : 0.007 703 REMARK 3 DIHEDRAL : 14.848 1427 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9DQ3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-SEP-24. REMARK 100 THE DEPOSITION ID IS D_1000288034. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-OCT-22 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 : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 59236 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.636 REMARK 200 RESOLUTION RANGE LOW (A) : 74.180 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 78.3 REMARK 200 DATA REDUNDANCY : 6.000 REMARK 200 R MERGE (I) : 0.21000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 5.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.64 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.77 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.63700 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.18 M CALCIUM ACETATE HYDRATE, 22.5% REMARK 280 W/V PEG3350, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 300K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 42.01150 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 74.17950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 42.01150 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 74.17950 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: 5120 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23250 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -34.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, H, L 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 LYS C 1 REMARK 465 ALA C 2 REMARK 465 SER C 14 REMARK 465 SER C 15 REMARK 465 ARG C 16 REMARK 465 GLY C 29 REMARK 465 LYS C 30 REMARK 465 ALA C 31 REMARK 465 GLY C 57 REMARK 465 ASN C 58 REMARK 465 GLU C 59 REMARK 465 LEU C 60 REMARK 465 THR C 61 REMARK 465 PHE C 62 REMARK 465 LEU C 63 REMARK 465 ASP C 64 REMARK 465 ASP C 65 REMARK 465 SER C 66 REMARK 465 ARG C 85 REMARK 465 ALA C 86 REMARK 465 MET C 87 REMARK 465 ASP C 88 REMARK 465 THR C 89 REMARK 465 ASP C 118 REMARK 465 GLY C 119 REMARK 465 HIS C 120 REMARK 465 HIS C 121 REMARK 465 HIS C 122 REMARK 465 HIS C 123 REMARK 465 HIS C 124 REMARK 465 HIS C 125 REMARK 465 SER H 132 REMARK 465 SER H 133 REMARK 465 LYS H 134 REMARK 465 SER H 135 REMARK 465 THR H 136 REMARK 465 SER H 220 REMARK 465 CYS H 221 REMARK 465 GLY H 222 REMARK 465 GLY H 223 REMARK 465 HIS H 224 REMARK 465 HIS H 225 REMARK 465 HIS H 226 REMARK 465 HIS H 227 REMARK 465 HIS H 228 REMARK 465 HIS H 229 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 LEU C 12 CG CD1 CD2 REMARK 470 GLU C 24 CG CD OE1 OE2 REMARK 470 SER C 44 OG REMARK 470 SER C 73 OG REMARK 470 ASN C 78 CG OD1 ND2 REMARK 470 LEU C 79 CG CD1 CD2 REMARK 470 VAL C 96 CG1 CG2 REMARK 470 ILE C 117 CG1 CG2 CD1 REMARK 470 LYS H 43 CD CE NZ REMARK 470 LYS H 65 NZ REMARK 470 LYS H 76 NZ REMARK 470 SER H 117 OG REMARK 470 LYS H 122 CE NZ REMARK 470 GLU L 124 OE1 OE2 REMARK 470 GLN L 148 CG CD OE1 NE2 REMARK 470 LYS L 170 CG CD CE NZ 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 ASN H 77 O HOH H 301 1.88 REMARK 500 O HOH H 394 O HOH H 402 2.03 REMARK 500 O HOH L 415 O HOH L 418 2.07 REMARK 500 O HOH H 444 O HOH L 429 2.09 REMARK 500 N ALA H 24 O HOH H 301 2.10 REMARK 500 O HOH H 329 O HOH H 447 2.10 REMARK 500 N GLU L 1 O HOH L 301 2.11 REMARK 500 O HOH C 220 O HOH C 222 2.13 REMARK 500 O HOH C 225 O HOH C 228 2.16 REMARK 500 O HOH C 221 O HOH C 223 2.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 NH1 ARG H 215 O HOH H 301 4456 1.97 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 ASP C 43 -116.93 55.68 REMARK 500 ASN C 75 46.97 -90.98 REMARK 500 ASP H 149 65.95 70.20 REMARK 500 SER H 166 109.80 157.38 REMARK 500 ALA L 52 -40.48 68.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH H 452 DISTANCE = 6.33 ANGSTROMS DBREF 9DQ3 C 1 118 UNP P16410 CTLA4_HUMAN 36 153 DBREF 9DQ3 H 1 229 PDB 9DQ3 9DQ3 1 229 DBREF 9DQ3 L 1 215 PDB 9DQ3 9DQ3 1 215 SEQADV 9DQ3 GLY C 119 UNP P16410 EXPRESSION TAG SEQADV 9DQ3 HIS C 120 UNP P16410 EXPRESSION TAG SEQADV 9DQ3 HIS C 121 UNP P16410 EXPRESSION TAG SEQADV 9DQ3 HIS C 122 UNP P16410 EXPRESSION TAG SEQADV 9DQ3 HIS C 123 UNP P16410 EXPRESSION TAG SEQADV 9DQ3 HIS C 124 UNP P16410 EXPRESSION TAG SEQADV 9DQ3 HIS C 125 UNP P16410 EXPRESSION TAG SEQRES 1 C 125 LYS ALA MET HIS VAL ALA GLN PRO ALA VAL VAL LEU ALA SEQRES 2 C 125 SER SER ARG GLY ILE ALA SER PHE VAL CYS GLU TYR ALA SEQRES 3 C 125 SER PRO GLY LYS ALA THR GLU VAL ARG VAL THR VAL LEU SEQRES 4 C 125 ARG GLN ALA ASP SER GLN VAL THR GLU VAL CYS ALA ALA SEQRES 5 C 125 THR TYR MET MET GLY ASN GLU LEU THR PHE LEU ASP ASP SEQRES 6 C 125 SER ILE CYS THR GLY THR SER SER GLY ASN GLN VAL ASN SEQRES 7 C 125 LEU THR ILE GLN GLY LEU ARG ALA MET ASP THR GLY LEU SEQRES 8 C 125 TYR ILE CYS LYS VAL GLU LEU MET TYR PRO PRO PRO TYR SEQRES 9 C 125 TYR LEU GLY ILE GLY ASN GLY THR GLN ILE TYR VAL ILE SEQRES 10 C 125 ASP GLY HIS HIS HIS HIS HIS HIS SEQRES 1 H 229 GLN VAL GLN LEU VAL GLU SER GLY GLY GLY VAL VAL GLN SEQRES 2 H 229 PRO GLY ARG SER LEU ARG LEU SER CYS ALA ALA SER GLY SEQRES 3 H 229 PHE THR PHE SER LYS TYR VAL MET HIS TRP VAL ARG GLN SEQRES 4 H 229 ALA PRO GLY LYS GLY LEU GLU TRP VAL THR GLY ILE SER SEQRES 5 H 229 TYR ASP GLY ARG HIS LYS TYR TYR ALA ASP SER VAL LYS SEQRES 6 H 229 GLY ARG PHE THR ILE SER ARG ASP ASN SER LYS ASN THR SEQRES 7 H 229 LEU TYR LEU GLN MET ASN SER LEU ARG ALA GLU ASP THR SEQRES 8 H 229 ALA ILE TYR TYR CYS ALA ARG THR GLY TRP LEU GLY PRO SEQRES 9 H 229 PHE ASP TYR TRP GLY GLN GLY THR LEU VAL THR VAL SER SEQRES 10 H 229 SER ALA SER THR LYS GLY PRO SER VAL PHE PRO LEU ALA SEQRES 11 H 229 PRO SER SER LYS SER THR SER GLY GLY THR ALA ALA LEU SEQRES 12 H 229 GLY CYS LEU VAL LYS ASP TYR PHE PRO GLU PRO VAL THR SEQRES 13 H 229 VAL SER TRP ASN SER GLY ALA LEU THR SER GLY VAL HIS SEQRES 14 H 229 THR PHE PRO ALA VAL LEU GLN SER SER GLY LEU TYR SER SEQRES 15 H 229 LEU SER SER VAL VAL THR VAL PRO SER SER SER LEU GLY SEQRES 16 H 229 THR GLN THR TYR ILE CYS ASN VAL ASN HIS LYS PRO SER SEQRES 17 H 229 ASN THR LYS VAL ASP LYS ARG VAL GLU PRO LYS SER CYS SEQRES 18 H 229 GLY GLY HIS HIS HIS HIS HIS HIS SEQRES 1 L 215 GLU ILE VAL LEU THR GLN SER PRO GLY THR LEU SER LEU SEQRES 2 L 215 SER PRO GLY GLU ARG ALA THR LEU SER CYS ARG GLN SER SEQRES 3 L 215 GLN SER VAL GLY TRP SER PRO LEU ALA TRP TYR GLN GLN SEQRES 4 L 215 LYS PRO GLY GLN ALA PRO ARG LEU LEU ILE TYR GLY ALA SEQRES 5 L 215 PHE SER ARG ALA THR GLY ILE PRO ASP ARG PHE SER GLY SEQRES 6 L 215 SER GLY SER GLY THR ASP PHE THR LEU THR ILE SER ARG SEQRES 7 L 215 LEU GLU PRO GLU ASP PHE ALA VAL TYR TYR CYS GLN GLN SEQRES 8 L 215 TYR GLY GLN SER PRO TRP THR PHE GLY GLN GLY THR LYS SEQRES 9 L 215 VAL GLU ILE LYS ARG THR VAL ALA ALA PRO SER VAL PHE SEQRES 10 L 215 ILE PHE PRO PRO SER ASP GLU GLN LEU LYS SER GLY THR SEQRES 11 L 215 ALA SER VAL VAL CYS LEU LEU ASN ASN PHE TYR PRO ARG SEQRES 12 L 215 GLU ALA LYS VAL GLN TRP LYS VAL ASP ASN ALA LEU GLN SEQRES 13 L 215 SER GLY ASN SER GLN GLU SER VAL THR GLU GLN ASP SER SEQRES 14 L 215 LYS ASP SER THR TYR SER LEU SER SER THR LEU THR LEU SEQRES 15 L 215 SER LYS ALA ASP TYR GLU LYS HIS LYS VAL TYR ALA CYS SEQRES 16 L 215 GLU VAL THR HIS GLN GLY LEU SER SER PRO VAL THR LYS SEQRES 17 L 215 SER PHE ASN ARG GLY GLU CYS FORMUL 4 HOH *321(H2 O) HELIX 1 AA1 THR H 28 TYR H 32 5 5 HELIX 2 AA2 ARG H 87 THR H 91 5 5 HELIX 3 AA3 SER H 161 ALA H 163 5 3 HELIX 4 AA4 SER H 192 THR H 196 5 5 HELIX 5 AA5 LYS H 206 ASN H 209 5 4 HELIX 6 AA6 GLU L 80 PHE L 84 5 5 HELIX 7 AA7 SER L 122 LYS L 127 1 6 HELIX 8 AA8 LYS L 184 LYS L 189 1 6 SHEET 1 AA1 4 VAL C 5 ALA C 6 0 SHEET 2 AA1 4 ALA C 19 TYR C 25 -1 O GLU C 24 N ALA C 6 SHEET 3 AA1 4 GLN C 76 ILE C 81 -1 O ILE C 81 N ALA C 19 SHEET 4 AA1 4 CYS C 68 SER C 72 -1 N THR C 71 O ASN C 78 SHEET 1 AA2 5 VAL C 10 LEU C 12 0 SHEET 2 AA2 5 THR C 112 TYR C 115 1 O GLN C 113 N VAL C 11 SHEET 3 AA2 5 LEU C 91 TYR C 100 -1 N TYR C 92 O THR C 112 SHEET 4 AA2 5 GLU C 33 ALA C 42 -1 N LEU C 39 O ILE C 93 SHEET 5 AA2 5 GLN C 45 MET C 55 -1 O ALA C 52 N VAL C 36 SHEET 1 AA3 4 VAL C 10 LEU C 12 0 SHEET 2 AA3 4 THR C 112 TYR C 115 1 O GLN C 113 N VAL C 11 SHEET 3 AA3 4 LEU C 91 TYR C 100 -1 N TYR C 92 O THR C 112 SHEET 4 AA3 4 TYR C 105 ILE C 108 -1 O GLY C 107 N VAL C 96 SHEET 1 AA4 4 GLN H 3 SER H 7 0 SHEET 2 AA4 4 LEU H 18 SER H 25 -1 O SER H 25 N GLN H 3 SHEET 3 AA4 4 THR H 78 MET H 83 -1 O MET H 83 N LEU H 18 SHEET 4 AA4 4 PHE H 68 ASP H 73 -1 N THR H 69 O GLN H 82 SHEET 1 AA5 6 GLY H 10 VAL H 12 0 SHEET 2 AA5 6 THR H 112 VAL H 116 1 O THR H 115 N VAL H 12 SHEET 3 AA5 6 ALA H 92 THR H 99 -1 N TYR H 94 O THR H 112 SHEET 4 AA5 6 MET H 34 GLN H 39 -1 N VAL H 37 O TYR H 95 SHEET 5 AA5 6 GLU H 46 ILE H 51 -1 O GLU H 46 N ARG H 38 SHEET 6 AA5 6 LYS H 58 TYR H 60 -1 O TYR H 59 N GLY H 50 SHEET 1 AA6 4 GLY H 10 VAL H 12 0 SHEET 2 AA6 4 THR H 112 VAL H 116 1 O THR H 115 N VAL H 12 SHEET 3 AA6 4 ALA H 92 THR H 99 -1 N TYR H 94 O THR H 112 SHEET 4 AA6 4 PHE H 105 TRP H 108 -1 O TYR H 107 N ARG H 98 SHEET 1 AA7 4 SER H 125 LEU H 129 0 SHEET 2 AA7 4 THR H 140 TYR H 150 -1 O LEU H 146 N PHE H 127 SHEET 3 AA7 4 TYR H 181 PRO H 190 -1 O LEU H 183 N VAL H 147 SHEET 4 AA7 4 VAL H 168 THR H 170 -1 N HIS H 169 O VAL H 186 SHEET 1 AA8 4 SER H 125 LEU H 129 0 SHEET 2 AA8 4 THR H 140 TYR H 150 -1 O LEU H 146 N PHE H 127 SHEET 3 AA8 4 TYR H 181 PRO H 190 -1 O LEU H 183 N VAL H 147 SHEET 4 AA8 4 VAL H 174 LEU H 175 -1 N VAL H 174 O SER H 182 SHEET 1 AA9 3 THR H 156 TRP H 159 0 SHEET 2 AA9 3 TYR H 199 HIS H 205 -1 O ASN H 202 N SER H 158 SHEET 3 AA9 3 THR H 210 VAL H 216 -1 O VAL H 212 N VAL H 203 SHEET 1 AB1 4 LEU L 4 SER L 7 0 SHEET 2 AB1 4 ALA L 19 GLN L 25 -1 O SER L 22 N SER L 7 SHEET 3 AB1 4 ASP L 71 ILE L 76 -1 O LEU L 74 N LEU L 21 SHEET 4 AB1 4 PHE L 63 SER L 68 -1 N SER L 64 O THR L 75 SHEET 1 AB2 6 THR L 10 LEU L 13 0 SHEET 2 AB2 6 THR L 103 ILE L 107 1 O LYS L 104 N LEU L 11 SHEET 3 AB2 6 VAL L 86 GLN L 91 -1 N TYR L 87 O THR L 103 SHEET 4 AB2 6 LEU L 34 GLN L 39 -1 N TYR L 37 O TYR L 88 SHEET 5 AB2 6 ARG L 46 TYR L 50 -1 O LEU L 48 N TRP L 36 SHEET 6 AB2 6 SER L 54 ARG L 55 -1 O SER L 54 N TYR L 50 SHEET 1 AB3 4 THR L 10 LEU L 13 0 SHEET 2 AB3 4 THR L 103 ILE L 107 1 O LYS L 104 N LEU L 11 SHEET 3 AB3 4 VAL L 86 GLN L 91 -1 N TYR L 87 O THR L 103 SHEET 4 AB3 4 THR L 98 PHE L 99 -1 O THR L 98 N GLN L 91 SHEET 1 AB4 4 SER L 115 PHE L 119 0 SHEET 2 AB4 4 THR L 130 PHE L 140 -1 O LEU L 136 N PHE L 117 SHEET 3 AB4 4 TYR L 174 SER L 183 -1 O LEU L 180 N VAL L 133 SHEET 4 AB4 4 SER L 160 VAL L 164 -1 N GLN L 161 O THR L 179 SHEET 1 AB5 4 ALA L 154 LEU L 155 0 SHEET 2 AB5 4 ALA L 145 VAL L 151 -1 N VAL L 151 O ALA L 154 SHEET 3 AB5 4 VAL L 192 HIS L 199 -1 O ALA L 194 N LYS L 150 SHEET 4 AB5 4 VAL L 206 ASN L 211 -1 O LYS L 208 N CYS L 195 SSBOND 1 CYS C 23 CYS C 94 1555 1555 2.03 SSBOND 2 CYS C 50 CYS C 68 1555 1555 2.01 SSBOND 3 CYS H 22 CYS H 96 1555 1555 2.02 SSBOND 4 CYS H 145 CYS H 201 1555 1555 2.01 SSBOND 5 CYS L 23 CYS L 89 1555 1555 2.05 SSBOND 6 CYS L 135 CYS L 195 1555 1555 2.00 CISPEP 1 TYR C 100 PRO C 101 0 -0.12 CISPEP 2 PRO C 102 PRO C 103 0 -0.32 CISPEP 3 PHE H 151 PRO H 152 0 -3.16 CISPEP 4 GLU H 153 PRO H 154 0 -0.29 CISPEP 5 SER L 7 PRO L 8 0 -6.53 CISPEP 6 SER L 95 PRO L 96 0 -4.68 CISPEP 7 TYR L 141 PRO L 142 0 3.77 CRYST1 84.023 148.359 48.439 90.00 90.00 90.00 P 21 21 2 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 0.011902 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006740 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020645 0.00000