3D85 - Header Asymmetric Unit

HEADER IMMUNE SYSTEM/CYTOKINE 22-MAY-08 3D85

TITLE CRYSTAL STRUCTURE OF IL-23 IN COMPLEX WITH NEUTRALIZING FAB

COMPND MOL_ID: 1; COMPND 2 MOLECULE: FAB OF ANTIBODY 7G10, LIGHT CHAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: LIGHT CHAIN; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: FAB OF ANTIBODY 7G10, HEAVY CHAIN; COMPND 7 CHAIN: B; COMPND 8 FRAGMENT: HEAVY CHAIN; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: INTERLEUKIN-23 SUBUNIT P19; COMPND 11 CHAIN: C; COMPND 12 FRAGMENT: SUBUNIT P19; COMPND 13 SYNONYM: INTERLEUKIN-23 SUBUNIT ALPHA; IL-23 SUBUNIT COMPND 14 ALPHA; IL-23P19; COMPND 15 ENGINEERED: YES; COMPND 16 MOL_ID: 4; COMPND 17 MOLECULE: INTERLEUKIN-12 SUBUNIT P40; COMPND 18 CHAIN: D; COMPND 19 FRAGMENT: SUBUNIT P40; COMPND 20 SYNONYM: IL-12B; IL-12 SUBUNIT P40; CYTOTOXIC LYMPHOCYTE COMPND 21 MATURATION FACTOR 40 KDA SUBUNIT; CLMF P40; NK CELL COMPND 22 STIMULATORY FACTOR CHAIN 2; NKSF2; COMPND 23 ENGINEERED: YES; COMPND 24 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606; SOURCE 13 GENE: IL23A, SGRF, UNQ2498/PRO5798; SOURCE 14 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 15 EXPRESSION_SYSTEM_COMMON: CABBAGE LOOPER; SOURCE 16 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 17 EXPRESSION_SYSTEM_CELL_LINE: HI-FIVE CELLS; SOURCE 18 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS; SOURCE 19 EXPRESSION_SYSTEM_PLASMID: PFASTBAC DUAL; SOURCE 20 MOL_ID: 4; SOURCE 21 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 22 ORGANISM_COMMON: HUMAN; SOURCE 23 ORGANISM_TAXID: 9606; SOURCE 24 GENE: IL12B, NKSF2; SOURCE 25 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 26 EXPRESSION_SYSTEM_COMMON: CABBAGE LOOPER; SOURCE 27 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 28 EXPRESSION_SYSTEM_CELL_LINE: HI-FIVE CELLS; SOURCE 29 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS; SOURCE 30 EXPRESSION_SYSTEM_PLASMID: PFASTBAC DUAL

KEYWDS INTERLEUKIN-23, FAB, IMMUNE SYSTEM/CYTOKINE COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR B.M.BEYER,R.INGRAM,L.RAMANATHAN,P.REICHERT,H.LE,V.MADISON

REVDAT 2 23-DEC-08 3D85 1 JRNL VERSN REVDAT 1 02-SEP-08 3D85 0

JRNL AUTH B.M.BEYER,R.INGRAM,L.RAMANATHAN,P.REICHERT,H.V.LE, JRNL AUTH 2 V.MADISON,P.ORTH JRNL TITL CRYSTAL STRUCTURES OF THE PRO-INFLAMMATORY JRNL TITL 2 CYTOKINE INTERLEUKIN-23 AND ITS COMPLEX WITH A JRNL TITL 3 HIGH-AFFINITY NEUTRALIZING ANTIBODY JRNL REF J.MOL.BIOL. V. 382 942 2008 JRNL REFN ISSN 0022-2836 JRNL PMID 18708069 JRNL DOI 10.1016/J.JMB.2008.08.001

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER-TNT 2.1.1 REMARK 3 AUTHORS : BLANC,ROVERSI,VONRHEIN,BRICOGNE,TRONRUD, REMARK 3 : TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 106.60 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 77149 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.172 REMARK 3 R VALUE (WORKING SET) : 0.171 REMARK 3 FREE R VALUE : 0.214 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1541 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 9 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.01 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.02 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 12064 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 21.8900 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 11839 REMARK 3 BIN R VALUE (WORKING SET) : 0.2184 REMARK 3 BIN FREE R VALUE : 0.2462 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 1.87 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 225 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6582 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 922 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.45 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.04 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.25854 REMARK 3 B22 (A**2) : -2.88612 REMARK 3 B33 (A**2) : -2.37242 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.55985 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : NULL REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.010 ; 2.000 ; 6768 REMARK 3 BOND ANGLES (DEGREES) : 1.254 ; 2.000 ; 9160 REMARK 3 TORSION ANGLES (DEGREES) : 18.220 ; 0.000 ; 1296 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.011 ; 2.000 ; 152 REMARK 3 GENERAL PLANES (A) : 0.020 ; 5.000 ; 968 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : 1.670 ; 20.000; 6768 REMARK 3 NON-BONDED CONTACTS (A) : 0.053 ; 5.000 ; 104 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 3D85 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-JUN-08. REMARK 100 THE RCSB ID CODE IS RCSB047712.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-OCT-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7 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) : 1.0 REMARK 200 MONOCHROMATOR : CRYOGENICALLY-COOLED SI(111) REMARK 200 DOUBLE-CRYSTAL SYSTEM REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 77159 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 106.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.08200 REMARK 200 R SYM (I) : 0.08200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.96 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.46600 REMARK 200 R SYM FOR SHELL (I) : 0.46600 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1NGY REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10% MPD, 7% PEG 6000, 100MM REMARK 280 IMIDAZOLE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 31.04550 REMARK 290 SMTRY3 2 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HETERO-TETRAMER WITH CHAINS REMARK 300 A AND B REPRESENTING THE FAB, CHAIN C IS IL-23 SUBUNIT P19 AND REMARK 300 CHAIN D IS IL-23 SUBUNIT P40. ONE HETERO-TETRAMER IS LOCATED REMARK 300 WITHIN THE ASYMMETRIC UNIT.

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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7440 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 39710 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, A, B 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 CYS A 214 REMARK 465 SER B 132 REMARK 465 CYS B 218 REMARK 465 ASP B 219 REMARK 465 LYS B 220 REMARK 465 THR B 221 REMARK 465 HIS B 222 REMARK 465 THR B 223 REMARK 465 ARG C 1 REMARK 465 ALA C 2 REMARK 465 VAL C 3 REMARK 465 PRO C 4 REMARK 465 GLY C 5 REMARK 465 GLY C 6 REMARK 465 SER C 7 REMARK 465 SER C 8 REMARK 465 GLY C 33 REMARK 465 HIS C 34 REMARK 465 MET C 35 REMARK 465 ASP C 36 REMARK 465 LEU C 37 REMARK 465 ARG C 38 REMARK 465 GLU C 39 REMARK 465 GLU C 40 REMARK 465 GLY C 41 REMARK 465 ASP C 42 REMARK 465 GLU C 43 REMARK 465 GLU C 44 REMARK 465 THR C 45 REMARK 465 THR C 46 REMARK 465 ASN C 47 REMARK 465 GLU C 119 REMARK 465 GLY C 120 REMARK 465 HIS C 121 REMARK 465 HIS C 122 REMARK 465 TRP C 123 REMARK 465 GLU C 124 REMARK 465 THR C 125 REMARK 465 GLN C 126 REMARK 465 GLN C 127 REMARK 465 ILE C 128 REMARK 465 PRO C 129 REMARK 465 SER C 130 REMARK 465 SER C 169 REMARK 465 PRO C 170 REMARK 465 GLY C 171 REMARK 465 SER C 172 REMARK 465 HIS C 173 REMARK 465 HIS C 174 REMARK 465 HIS C 175 REMARK 465 HIS C 176 REMARK 465 HIS C 177 REMARK 465 HIS C 178 REMARK 465 GLU D 100 REMARK 465 PRO D 101 REMARK 465 LYS D 102 REMARK 465 GLY D 160 REMARK 465 ASP D 161 REMARK 465 LYS D 225 REMARK 465 ASN D 226 REMARK 465 SER D 227 REMARK 465 ARG D 228 REMARK 465 LYS D 258 REMARK 465 SER D 259 REMARK 465 LYS D 260 REMARK 465 ARG D 261 REMARK 465 GLU D 262 REMARK 465 LYS D 263 REMARK 465 SER D 306

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 B 216 NZ REMARK 470 LYS D 99 CG CD CE NZ REMARK 470 ASN D 103 CG OD1 ND2 REMARK 470 ARG D 159 CG CD NE CZ NH1 NH2 REMARK 470 ASN D 162 CG OD1 ND2 REMARK 470 LYS D 222 CG CD CE NZ REMARK 470 LEU D 224 CG CD1 CD2 REMARK 470 LYS D 264 CD CE NZ REMARK 470 ARG D 266 NE CZ NH1 NH2 REMARK 470 ARG D 279 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 B 638 O HOH B 666 2.16 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 PRO D 20 C - N - CA ANGL. DEV. = 19.7 DEGREES REMARK 500 PRO D 20 C - N - CD ANGL. DEV. = -19.2 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 SER A 30 -126.24 51.12 REMARK 500 ALA A 51 -44.08 73.22 REMARK 500 SER A 52 -0.34 -140.44 REMARK 500 ASN A 138 71.77 49.94 REMARK 500 SER B 85 61.62 37.36 REMARK 500 ASN B 99 134.61 -38.41 REMARK 500 SER B 134 -142.90 -58.04 REMARK 500 GLN C 117 80.09 -159.14 REMARK 500 PRO D 17 124.95 -28.81 REMARK 500 ASP D 18 60.66 79.57 REMARK 500 ALA D 19 -139.27 25.61 REMARK 500 ASP D 41 -132.56 54.57 REMARK 500 LEU D 75 -61.49 -95.30 REMARK 500 THR D 92 54.43 -144.17 REMARK 500 LYS D 104 73.67 -32.73 REMARK 500 LYS D 195 -109.80 61.86 REMARK 500 ASN D 218 49.65 37.82 REMARK 500 TYR D 246 -62.06 -104.07 REMARK 500 ASN D 281 -6.22 84.13 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 C1063 DISTANCE = 5.39 ANGSTROMS REMARK 525 HOH C1073 DISTANCE = 6.98 ANGSTROMS REMARK 525 HOH C1257 DISTANCE = 5.26 ANGSTROMS REMARK 525 HOH C1359 DISTANCE = 7.17 ANGSTROMS REMARK 525 HOH A 677 DISTANCE = 5.41 ANGSTROMS REMARK 525 HOH A 691 DISTANCE = 5.87 ANGSTROMS REMARK 525 HOH B1017 DISTANCE = 5.50 ANGSTROMS REMARK 525 HOH B1043 DISTANCE = 5.21 ANGSTROMS REMARK 525 HOH A 719 DISTANCE = 7.74 ANGSTROMS REMARK 525 HOH D1249 DISTANCE = 5.12 ANGSTROMS REMARK 525 HOH A 730 DISTANCE = 9.53 ANGSTROMS REMARK 525 HOH D1406 DISTANCE = 5.37 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 501 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 502

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1F45 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF IL-12 REMARK 900 RELATED ID: 3D87 RELATED DB: PDB

DBREF 3D85 C 1 170 UNP Q9NPF7 IL23A_HUMAN 20 189 DBREF 3D85 D 1 306 UNP P29460 IL12B_HUMAN 23 328 DBREF 3D85 A 1 214 PDB 3D85 3D85 1 214 DBREF 3D85 B 1 223 PDB 3D85 3D85 1 223

SEQADV 3D85 GLY C 171 UNP Q9NPF7 EXPRESSION TAG SEQADV 3D85 SER C 172 UNP Q9NPF7 EXPRESSION TAG SEQADV 3D85 HIS C 173 UNP Q9NPF7 EXPRESSION TAG SEQADV 3D85 HIS C 174 UNP Q9NPF7 EXPRESSION TAG SEQADV 3D85 HIS C 175 UNP Q9NPF7 EXPRESSION TAG SEQADV 3D85 HIS C 176 UNP Q9NPF7 EXPRESSION TAG SEQADV 3D85 HIS C 177 UNP Q9NPF7 EXPRESSION TAG SEQADV 3D85 HIS C 178 UNP Q9NPF7 EXPRESSION TAG SEQADV 3D85 GLN D 200 UNP P29460 ASN 222 ENGINEERED

SEQRES 1 A 214 ASP ILE VAL MET THR GLN SER PRO ALA THR LEU SER VAL SEQRES 2 A 214 THR PRO GLY ASP ARG VAL SER LEU SER CYS ARG ALA SER SEQRES 3 A 214 GLN SER ILE SER ASP TYR LEU HIS TRP TYR ARG GLN LYS SEQRES 4 A 214 SER HIS GLU SER PRO ARG LEU LEU ILE LYS TYR ALA SER SEQRES 5 A 214 GLN SER ILE SER GLY ILE PRO SER ARG PHE SER GLY SER SEQRES 6 A 214 GLY SER GLY SER ASP PHE THR LEU SER ILE ASN SER VAL SEQRES 7 A 214 GLU PRO GLU ASP VAL GLY VAL TYR TYR CYS GLN ASN GLY SEQRES 8 A 214 HIS SER PHE PRO PHE THR PHE GLY SER GLY THR LYS LEU SEQRES 9 A 214 GLU ILE LYS ARG THR VAL ALA ALA PRO SER VAL PHE ILE SEQRES 10 A 214 PHE PRO PRO SER ASP GLU GLN LEU LYS SER GLY THR ALA SEQRES 11 A 214 SER VAL VAL CYS LEU LEU ASN ASN PHE TYR PRO ARG GLU SEQRES 12 A 214 ALA LYS VAL GLN TRP LYS VAL ASP ASN ALA LEU GLN SER SEQRES 13 A 214 GLY ASN SER GLN GLU SER VAL THR GLU GLN ASP SER LYS SEQRES 14 A 214 ASP SER THR TYR SER LEU SER SER THR LEU THR LEU SER SEQRES 15 A 214 LYS ALA ASP TYR GLU LYS HIS LYS VAL TYR ALA CYS GLU SEQRES 16 A 214 VAL THR HIS GLN GLY LEU SER SER PRO VAL THR LYS SER SEQRES 17 A 214 PHE ASN ARG GLY GLU CYS SEQRES 1 B 223 GLU VAL GLN LEU GLN GLN SER GLY PRO GLU LEU VAL LYS SEQRES 2 B 223 PRO GLY ALA SER VAL LYS MET SER CYS LYS ALA SER GLY SEQRES 3 B 223 TYR THR PHE THR SER ASN VAL MET HIS TRP VAL LYS GLN SEQRES 4 B 223 LYS PRO GLY GLN GLY LEU GLU TRP ILE GLY TYR ILE ASN SEQRES 5 B 223 PRO TYR ASN ASP GLY THR LYS TYR ASN GLU LYS PHE LYS SEQRES 6 B 223 GLY LYS ALA THR LEU THR SER ASP LYS SER SER SER THR SEQRES 7 B 223 ALA TYR MET GLU LEU SER SER LEU THR SER GLU ASP SER SEQRES 8 B 223 ALA VAL TYR TYR CYS ALA ARG ASN TRP ASP VAL ALA TYR SEQRES 9 B 223 TRP GLY GLN GLY THR LEU VAL THR VAL SER ALA ALA SER SEQRES 10 B 223 THR LYS GLY PRO SER VAL PHE PRO LEU ALA PRO SER SER SEQRES 11 B 223 LYS SER THR SER GLY GLY THR ALA ALA LEU GLY CYS LEU SEQRES 12 B 223 VAL LYS ASP TYR PHE PRO GLU PRO VAL THR VAL SER TRP SEQRES 13 B 223 ASN SER GLY ALA LEU THR SER GLY VAL HIS THR PHE PRO SEQRES 14 B 223 ALA VAL LEU GLN SER SER GLY LEU TYR SER LEU SER SER SEQRES 15 B 223 VAL VAL THR VAL PRO SER SER SER LEU GLY THR GLN THR SEQRES 16 B 223 TYR ILE CYS ASN VAL ASN HIS LYS PRO SER ASN THR LYS SEQRES 17 B 223 VAL ASP LYS LYS VAL GLU PRO LYS SER CYS ASP LYS THR SEQRES 18 B 223 HIS THR SEQRES 1 C 178 ARG ALA VAL PRO GLY GLY SER SER PRO ALA TRP THR GLN SEQRES 2 C 178 CYS GLN GLN LEU SER GLN LYS LEU CYS THR LEU ALA TRP SEQRES 3 C 178 SER ALA HIS PRO LEU VAL GLY HIS MET ASP LEU ARG GLU SEQRES 4 C 178 GLU GLY ASP GLU GLU THR THR ASN ASP VAL PRO HIS ILE SEQRES 5 C 178 GLN CYS GLY ASP GLY CYS ASP PRO GLN GLY LEU ARG ASP SEQRES 6 C 178 ASN SER GLN PHE CYS LEU GLN ARG ILE HIS GLN GLY LEU SEQRES 7 C 178 ILE PHE TYR GLU LYS LEU LEU GLY SER ASP ILE PHE THR SEQRES 8 C 178 GLY GLU PRO SER LEU LEU PRO ASP SER PRO VAL GLY GLN SEQRES 9 C 178 LEU HIS ALA SER LEU LEU GLY LEU SER GLN LEU LEU GLN SEQRES 10 C 178 PRO GLU GLY HIS HIS TRP GLU THR GLN GLN ILE PRO SER SEQRES 11 C 178 LEU SER PRO SER GLN PRO TRP GLN ARG LEU LEU LEU ARG SEQRES 12 C 178 PHE LYS ILE LEU ARG SER LEU GLN ALA PHE VAL ALA VAL SEQRES 13 C 178 ALA ALA ARG VAL PHE ALA HIS GLY ALA ALA THR LEU SER SEQRES 14 C 178 PRO GLY SER HIS HIS HIS HIS HIS HIS SEQRES 1 D 306 ILE TRP GLU LEU LYS LYS ASP VAL TYR VAL VAL GLU LEU SEQRES 2 D 306 ASP TRP TYR PRO ASP ALA PRO GLY GLU MET VAL VAL LEU SEQRES 3 D 306 THR CYS ASP THR PRO GLU GLU ASP GLY ILE THR TRP THR SEQRES 4 D 306 LEU ASP GLN SER SER GLU VAL LEU GLY SER GLY LYS THR SEQRES 5 D 306 LEU THR ILE GLN VAL LYS GLU PHE GLY ASP ALA GLY GLN SEQRES 6 D 306 TYR THR CYS HIS LYS GLY GLY GLU VAL LEU SER HIS SER SEQRES 7 D 306 LEU LEU LEU LEU HIS LYS LYS GLU ASP GLY ILE TRP SER SEQRES 8 D 306 THR ASP ILE LEU LYS ASP GLN LYS GLU PRO LYS ASN LYS SEQRES 9 D 306 THR PHE LEU ARG CYS GLU ALA LYS ASN TYR SER GLY ARG SEQRES 10 D 306 PHE THR CYS TRP TRP LEU THR THR ILE SER THR ASP LEU SEQRES 11 D 306 THR PHE SER VAL LYS SER SER ARG GLY SER SER ASP PRO SEQRES 12 D 306 GLN GLY VAL THR CYS GLY ALA ALA THR LEU SER ALA GLU SEQRES 13 D 306 ARG VAL ARG GLY ASP ASN LYS GLU TYR GLU TYR SER VAL SEQRES 14 D 306 GLU CYS GLN GLU ASP SER ALA CYS PRO ALA ALA GLU GLU SEQRES 15 D 306 SER LEU PRO ILE GLU VAL MET VAL ASP ALA VAL HIS LYS SEQRES 16 D 306 LEU LYS TYR GLU GLN TYR THR SER SER PHE PHE ILE ARG SEQRES 17 D 306 ASP ILE ILE LYS PRO ASP PRO PRO LYS ASN LEU GLN LEU SEQRES 18 D 306 LYS PRO LEU LYS ASN SER ARG GLN VAL GLU VAL SER TRP SEQRES 19 D 306 GLU TYR PRO ASP THR TRP SER THR PRO HIS SER TYR PHE SEQRES 20 D 306 SER LEU THR PHE CYS VAL GLN VAL GLN GLY LYS SER LYS SEQRES 21 D 306 ARG GLU LYS LYS ASP ARG VAL PHE THR ASP LYS THR SER SEQRES 22 D 306 ALA THR VAL ILE CYS ARG LYS ASN ALA SER ILE SER VAL SEQRES 23 D 306 ARG ALA GLN ASP ARG TYR TYR SER SER SER TRP SER GLU SEQRES 24 D 306 TRP ALA SER VAL PRO CYS SER

HET IMD A 503 5 HET MPD A 502 8 HET MPD B 501 8

HETNAM IMD IMIDAZOLE HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL

FORMUL 5 IMD C3 H5 N2 1+ FORMUL 6 MPD 2(C6 H14 O2) FORMUL 8 HOH *906(H2 O)

HELIX 1 1 GLU A 79 VAL A 83 5 5 HELIX 2 2 SER A 121 SER A 127 1 7 HELIX 3 3 LYS A 183 HIS A 189 1 7 HELIX 4 4 THR B 28 ASN B 32 5 5 HELIX 5 5 GLU B 62 LYS B 65 5 4 HELIX 6 6 THR B 87 SER B 91 5 5 HELIX 7 7 TRP B 100 ALA B 103 5 4 HELIX 8 8 SER B 158 ALA B 160 5 3 HELIX 9 9 SER B 189 LEU B 191 5 3 HELIX 10 10 LYS B 203 ASN B 206 5 4 HELIX 11 11 ALA C 10 SER C 27 1 18 HELIX 12 12 GLN C 53 GLY C 57 5 5 HELIX 13 13 ASP C 59 ASN C 66 1 8 HELIX 14 14 SER C 67 GLY C 86 1 20 HELIX 15 15 SER C 87 GLY C 92 1 6 HELIX 16 16 PRO C 101 GLN C 117 1 17 HELIX 17 17 GLN C 135 TRP C 137 5 3 HELIX 18 18 GLN C 138 LEU C 168 1 31 HELIX 19 19 GLU D 59 ALA D 63 5 5 HELIX 20 20 PHE D 206 ILE D 211 1 6

SHEET 1 A 4 MET A 4 SER A 7 0 SHEET 2 A 4 VAL A 19 ALA A 25 -1 O ARG A 24 N THR A 5 SHEET 3 A 4 ASP A 70 ILE A 75 -1 O PHE A 71 N CYS A 23 SHEET 4 A 4 PHE A 62 GLY A 66 -1 N SER A 63 O SER A 74 SHEET 1 B 6 THR A 10 VAL A 13 0 SHEET 2 B 6 THR A 102 ILE A 106 1 O GLU A 105 N LEU A 11 SHEET 3 B 6 GLY A 84 ASN A 90 -1 N GLY A 84 O LEU A 104 SHEET 4 B 6 LEU A 33 GLN A 38 -1 N GLN A 38 O VAL A 85 SHEET 5 B 6 ARG A 45 LYS A 49 -1 O LEU A 47 N TRP A 35 SHEET 6 B 6 GLN A 53 SER A 54 -1 O GLN A 53 N LYS A 49 SHEET 1 C 4 THR A 10 VAL A 13 0 SHEET 2 C 4 THR A 102 ILE A 106 1 O GLU A 105 N LEU A 11 SHEET 3 C 4 GLY A 84 ASN A 90 -1 N GLY A 84 O LEU A 104 SHEET 4 C 4 THR A 97 PHE A 98 -1 O THR A 97 N ASN A 90 SHEET 1 D 4 SER A 114 PHE A 118 0 SHEET 2 D 4 THR A 129 PHE A 139 -1 O LEU A 135 N PHE A 116 SHEET 3 D 4 TYR A 173 SER A 182 -1 O SER A 177 N CYS A 134 SHEET 4 D 4 SER A 159 VAL A 163 -1 N SER A 162 O SER A 176 SHEET 1 E 4 ALA A 153 LEU A 154 0 SHEET 2 E 4 ALA A 144 VAL A 150 -1 N VAL A 150 O ALA A 153 SHEET 3 E 4 VAL A 191 HIS A 198 -1 O GLU A 195 N GLN A 147 SHEET 4 E 4 VAL A 205 ASN A 210 -1 O VAL A 205 N VAL A 196 SHEET 1 F 4 GLN B 3 GLN B 6 0 SHEET 2 F 4 VAL B 18 SER B 25 -1 O LYS B 23 N GLN B 5 SHEET 3 F 4 THR B 78 LEU B 83 -1 O MET B 81 N MET B 20 SHEET 4 F 4 ALA B 68 ASP B 73 -1 N ASP B 73 O THR B 78 SHEET 1 G 6 GLU B 10 VAL B 12 0 SHEET 2 G 6 THR B 109 VAL B 113 1 O THR B 112 N VAL B 12 SHEET 3 G 6 ALA B 92 ARG B 98 -1 N ALA B 92 O VAL B 111 SHEET 4 G 6 MET B 34 GLN B 39 -1 N GLN B 39 O VAL B 93 SHEET 5 G 6 LEU B 45 ILE B 51 -1 O GLU B 46 N LYS B 38 SHEET 6 G 6 THR B 58 TYR B 60 -1 O LYS B 59 N TYR B 50 SHEET 1 H 4 SER B 122 LEU B 126 0 SHEET 2 H 4 THR B 137 TYR B 147 -1 O LEU B 143 N PHE B 124 SHEET 3 H 4 TYR B 178 PRO B 187 -1 O LEU B 180 N VAL B 144 SHEET 4 H 4 VAL B 165 THR B 167 -1 N HIS B 166 O VAL B 183 SHEET 1 I 4 SER B 122 LEU B 126 0 SHEET 2 I 4 THR B 137 TYR B 147 -1 O LEU B 143 N PHE B 124 SHEET 3 I 4 TYR B 178 PRO B 187 -1 O LEU B 180 N VAL B 144 SHEET 4 I 4 VAL B 171 LEU B 172 -1 N VAL B 171 O SER B 179 SHEET 1 J 3 THR B 153 TRP B 156 0 SHEET 2 J 3 ILE B 197 HIS B 202 -1 O ASN B 199 N SER B 155 SHEET 3 J 3 THR B 207 LYS B 212 -1 O VAL B 209 N VAL B 200 SHEET 1 K 6 TRP D 2 LYS D 5 0 SHEET 2 K 6 VAL D 8 ASP D 14 -1 O VAL D 10 N TRP D 2 SHEET 3 K 6 GLU D 73 GLU D 86 1 O LEU D 79 N TYR D 9 SHEET 4 K 6 GLY D 64 LYS D 70 -1 N CYS D 68 O LEU D 75 SHEET 5 K 6 THR D 37 LEU D 40 -1 N THR D 37 O HIS D 69 SHEET 6 K 6 GLY D 48 SER D 49 -1 O GLY D 48 N TRP D 38 SHEET 1 L 4 TRP D 2 LYS D 5 0 SHEET 2 L 4 VAL D 8 ASP D 14 -1 O VAL D 10 N TRP D 2 SHEET 3 L 4 GLU D 73 GLU D 86 1 O LEU D 79 N TYR D 9 SHEET 4 L 4 ILE D 89 TRP D 90 -1 O ILE D 89 N GLU D 86 SHEET 1 M 2 GLU D 22 THR D 27 0 SHEET 2 M 2 THR D 52 VAL D 57 -1 O ILE D 55 N VAL D 24 SHEET 1 N 4 ARG D 108 GLU D 110 0 SHEET 2 N 4 ARG D 117 THR D 124 -1 O THR D 119 N GLU D 110 SHEET 3 N 4 GLU D 164 GLU D 173 -1 O TYR D 165 N THR D 124 SHEET 4 N 4 THR D 152 ARG D 157 -1 N ARG D 157 O GLU D 164 SHEET 1 O 7 ARG D 108 GLU D 110 0 SHEET 2 O 7 ARG D 117 THR D 124 -1 O THR D 119 N GLU D 110 SHEET 3 O 7 GLU D 164 GLU D 173 -1 O TYR D 165 N THR D 124 SHEET 4 O 7 GLN D 144 CYS D 148 -1 N THR D 147 O GLN D 172 SHEET 5 O 7 LEU D 130 ARG D 138 -1 N ARG D 138 O GLN D 144 SHEET 6 O 7 ILE D 186 HIS D 194 -1 O ASP D 191 N SER D 133 SHEET 7 O 7 LYS D 197 PHE D 205 -1 O PHE D 205 N ILE D 186 SHEET 1 P 3 LYS D 217 LYS D 222 0 SHEET 2 P 3 VAL D 230 GLU D 235 -1 O GLU D 235 N LYS D 217 SHEET 3 P 3 SER D 273 VAL D 276 -1 O ALA D 274 N VAL D 232 SHEET 1 Q 4 ARG D 266 THR D 269 0 SHEET 2 Q 4 LEU D 249 GLN D 256 -1 N VAL D 253 O VAL D 267 SHEET 3 Q 4 SER D 283 ASP D 290 -1 O SER D 285 N GLN D 254 SHEET 4 Q 4 ALA D 301 PRO D 304 -1 O VAL D 303 N ILE D 284

SSBOND 1 CYS A 23 CYS A 88 1555 1555 2.05 SSBOND 2 CYS A 134 CYS A 194 1555 1555 2.04 SSBOND 3 CYS B 22 CYS B 96 1555 1555 2.05 SSBOND 4 CYS B 142 CYS B 198 1555 1555 2.04 SSBOND 5 CYS C 58 CYS C 70 1555 1555 2.03 SSBOND 6 CYS D 28 CYS D 68 1555 1555 2.04 SSBOND 7 CYS D 109 CYS D 120 1555 1555 2.04 SSBOND 8 CYS D 148 CYS D 171 1555 1555 2.04 SSBOND 9 CYS D 278 CYS D 305 1555 1555 2.03

CISPEP 1 SER A 7 PRO A 8 0 0.08 CISPEP 2 PHE A 94 PRO A 95 0 -5.35 CISPEP 3 TYR A 140 PRO A 141 0 6.54 CISPEP 4 SER B 134 GLY B 135 0 2.10 CISPEP 5 PHE B 148 PRO B 149 0 -6.44 CISPEP 6 GLU B 150 PRO B 151 0 7.65 CISPEP 7 GLU C 93 PRO C 94 0 -6.73 CISPEP 8 ALA D 19 PRO D 20 0 7.53 CISPEP 9 THR D 242 PRO D 243 0 -3.57

SITE 1 AC1 4 THR B 30 SER B 31 TYR B 54 HIS C 106 SITE 1 AC2 3 GLN A 155 LEU A 181 HIS A 189

CRYST1 75.386 62.091 107.261 90.00 97.44 90.00 P 1 21 1 2

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 0.013265 0.000000 0.001732 0.00000

SCALE2 0.000000 0.016105 0.000000 0.00000

SCALE3 0.000000 0.000000 0.009402 0.00000