HEADER CYTOKINE 01-FEB-07 2OQP TITLE SOLUTION STRUCTURE OF HUMAN INTERLEUKIN-21 COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTERLEUKIN-21; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: IL-21, ZA11; COMPND 5 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: IL21; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI STR. K12 SUBSTR. W3110; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 316407; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: W3110; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PTAP337 KEYWDS FOUR HELIX BUNDLE, CYTOKINE, MULTIPLE CONFORMERS EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR K.BONDENSGAARD,J.BREINHOLT REVDAT 5 27-DEC-23 2OQP 1 REMARK REVDAT 4 16-MAR-22 2OQP 1 REMARK SEQADV REVDAT 3 24-FEB-09 2OQP 1 VERSN REVDAT 2 16-OCT-07 2OQP 1 JRNL REVDAT 1 19-JUN-07 2OQP 0 JRNL AUTH K.BONDENSGAARD,J.BREINHOLT,D.MADSEN,D.H.OMKVIST,L.KANG, JRNL AUTH 2 A.WORSAAE,P.BECKER,C.B.SCHIODT,S.A.HJORTH JRNL TITL THE EXISTENCE OF MULTIPLE CONFORMERS OF INTERLEUKIN-21 JRNL TITL 2 DIRECTS ENGINEERING OF A SUPERPOTENT ANALOGUE. JRNL REF J.BIOL.CHEM. V. 282 23326 2007 JRNL REFN ISSN 0021-9258 JRNL PMID 17565991 JRNL DOI 10.1074/JBC.M701313200 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 1.0.8 REMARK 3 AUTHORS : GUNTERT P. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 A TOTAL OF 1235, 2994 AND 449 PEAKS FROM 15N-SEPARATED, 13C- REMARK 3 SEPARATED REMARK 3 NOESY AND 2D NOESY SPECTRA, RESPECTIVELY, WERE INCLUDED IN REMARK 3 STRUCTURE CALCULATIONS. TOGETHER REMARK 3 WITH CHEMICAL SHIFTS FOR THE ASSIGNED RESONANCES, THE NOES WERE REMARK 3 ANALYZED WITH CYANA USING REMARK 3 THE CANDID PROTOCOL FOR AUTOMATIC NOE ASSIGNMENT AND STRUCTURE REMARK 3 CALCULATION. ADDITIONAL REMARK 3 SOURCES OF STRUCTURAL INFORMATION WERE INCLUDED IN THE REMARK 3 CALCULATIONS. THUS TWO DISULFIDE BONDS REMARK 3 WERE ENFORCED BETWEEN CYS43 AND CYS94, AND BETWEEN CYS50 AND REMARK 3 CYS97. THIS DISULFIDE REMARK 3 PATTERN HAS BEEN ESTABLISHED FOR THE HIL-21 MOLECULE THROUGH AN REMARK 3 ANALYSIS WHICH COMBINED REMARK 3 PROTEASE CLEAVAGE, EDMAN DEGRADATION, AND MS. TEST CALCULATIONS REMARK 3 WITHOUT DISULFIDE BOND REMARK 3 CONSTRAINTS SUPPORTED THIS PATTERN. CHEMICAL SHIFT VALUES FOR HA, REMARK 3 CA, CB, N REMARK 3 AND CO ATOMS WERE ANALYZED TO PREDICT PHI AND PSI BACKBONE ANGLES REMARK 3 USING THE COMPUTER REMARK 3 PROGRAM TALOS. TALOS GAVE GOOD PREDICTIONS FOR 78 RESIDUES, AND REMARK 3 156 ANGLE PHI/PSI ANGLE REMARK 3 CONSTRAINTS WERE INCLUDED IN THE CALCULATIONS WITH AN UNCERTAINTY REMARK 3 OF 30 DEGREES. FROM THE REMARK 3 HNHA SPECTRUM 72 J(HA-HN) SCALAR COUPLING CONSTANTS WERE EXTRACTED REMARK 3 AND INCLUDED IN THE REMARK 3 STRUCTURE CALCULATIONS. HYDROGEN BOND CONSTRAINTS WERE ADDED FOR REMARK 3 20 BACKBONE AMIDE PROTONS REMARK 3 WHICH EXCHANGE SLOWLY IN DEUTERIUM EXCHANGE EXPERIMENTS. HYDROGEN REMARK 3 BOND PATTERNS WERE REMARK 3 IDENTIFIED BASED ON STRUCTURES CALCULATED WITHOUT HYDROGEN BOND REMARK 3 CONSTRAINTS. REMARK 4 REMARK 4 2OQP COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-FEB-07. REMARK 100 THE DEPOSITION ID IS D_1000041469. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 5.5 REMARK 210 IONIC STRENGTH : 50MM NACL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.8MM IL21 U-15N, 20MM REMARK 210 PHOSPHATE, 50MM NACL, 1MM NAN3; REMARK 210 0.8MM IL21 U-15N,13C, 20MM REMARK 210 PHOSPHATE, 50MM NACL, 1MM NAN3 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_15N-SEPARATED_NOESY; 3D_13C REMARK 210 -SEPARATED_NOESY; 2D NOESY; HNHA REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 800 MHZ REMARK 210 SPECTROMETER MODEL : AV; INOVA REMARK 210 SPECTROMETER MANUFACTURER : BRUKER; VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : TALOS, SPARKY 3.110, FELIX 2004, REMARK 210 XWINNMR 3.5 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 64 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR REMARK 210 SPECTROSCOPY. REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 ILE A 67 H VAL A 70 1.48 REMARK 500 O ILE A 17 H LEU A 21 1.51 REMARK 500 O ARG A 111 H LEU A 115 1.52 REMARK 500 O MET A 119 H HIS A 123 1.52 REMARK 500 O TYR A 24 H ASP A 27 1.53 REMARK 500 O ASP A 16 H GLN A 20 1.58 REMARK 500 HG SER A 58 OD1 ASN A 60 1.58 REMARK 500 O ILE A 72 H LYS A 76 1.59 REMARK 500 O SER A 71 H LEU A 75 1.60 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 1 PHE A 32 98.01 -66.83 REMARK 500 1 ASP A 38 95.95 60.56 REMARK 500 1 ASN A 42 56.79 -110.73 REMARK 500 1 GLU A 44 -36.72 -36.43 REMARK 500 1 GLN A 55 92.94 64.35 REMARK 500 1 ASN A 60 73.17 47.57 REMARK 500 1 ASN A 63 -86.44 155.69 REMARK 500 1 SER A 81 148.47 64.65 REMARK 500 1 THR A 82 -96.77 32.21 REMARK 500 1 ASN A 83 -65.74 -176.06 REMARK 500 1 LYS A 89 -170.84 49.11 REMARK 500 1 HIS A 90 -89.05 -161.12 REMARK 500 1 SER A 96 176.18 -59.68 REMARK 500 1 CYS A 97 -68.19 -98.51 REMARK 500 1 ASP A 98 83.60 -67.75 REMARK 500 1 SER A 99 -45.73 -134.27 REMARK 500 1 TYR A 100 -171.78 -61.20 REMARK 500 1 GLN A 117 -7.61 -58.65 REMARK 500 1 MET A 119 -62.78 -96.44 REMARK 500 1 HIS A 121 -72.74 -46.63 REMARK 500 1 SER A 126 -77.50 -47.36 REMARK 500 1 ARG A 127 89.64 72.74 REMARK 500 1 THR A 128 90.51 38.29 REMARK 500 1 GLU A 132 134.29 178.95 REMARK 500 1 ASP A 133 -55.82 -141.90 REMARK 500 2 GLN A 2 77.17 175.06 REMARK 500 2 PHE A 32 93.49 -65.89 REMARK 500 2 ASP A 38 100.14 56.29 REMARK 500 2 ASN A 42 56.35 -116.43 REMARK 500 2 GLN A 55 92.63 65.40 REMARK 500 2 THR A 61 26.86 -144.06 REMARK 500 2 SER A 81 82.68 -59.68 REMARK 500 2 THR A 82 -55.12 179.22 REMARK 500 2 ASN A 83 -68.34 67.59 REMARK 500 2 ALA A 84 88.08 63.86 REMARK 500 2 ARG A 86 -65.03 -147.15 REMARK 500 2 ARG A 87 134.25 -175.92 REMARK 500 2 GLN A 88 100.07 56.06 REMARK 500 2 ARG A 91 81.94 -59.70 REMARK 500 2 LEU A 92 -169.29 42.85 REMARK 500 2 SER A 96 -166.77 43.85 REMARK 500 2 CYS A 97 -51.79 -135.50 REMARK 500 2 GLU A 101 -167.13 70.64 REMARK 500 2 LYS A 102 -168.32 -107.39 REMARK 500 2 LEU A 115 -37.65 -37.26 REMARK 500 2 LYS A 118 -72.44 -86.25 REMARK 500 2 MET A 119 -67.29 -90.98 REMARK 500 2 ILE A 120 -38.43 -34.87 REMARK 500 2 HIS A 121 -71.40 -66.19 REMARK 500 2 SER A 125 -70.52 -42.09 REMARK 500 REMARK 500 THIS ENTRY HAS 550 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: AUTHOR DETERMINED DBREF 2OQP A 2 134 UNP Q9HBE4 IL21_HUMAN 23 155 SEQADV 2OQP MET A 1 UNP Q9HBE4 INITIATING METHIONINE SEQRES 1 A 134 MET GLN GLY GLN ASP ARG HIS MET ILE ARG MET ARG GLN SEQRES 2 A 134 LEU ILE ASP ILE VAL ASP GLN LEU LYS ASN TYR VAL ASN SEQRES 3 A 134 ASP LEU VAL PRO GLU PHE LEU PRO ALA PRO GLU ASP VAL SEQRES 4 A 134 GLU THR ASN CYS GLU TRP SER ALA PHE SER CYS PHE GLN SEQRES 5 A 134 LYS ALA GLN LEU LYS SER ALA ASN THR GLY ASN ASN GLU SEQRES 6 A 134 ARG ILE ILE ASN VAL SER ILE LYS LYS LEU LYS ARG LYS SEQRES 7 A 134 PRO PRO SER THR ASN ALA GLY ARG ARG GLN LYS HIS ARG SEQRES 8 A 134 LEU THR CYS PRO SER CYS ASP SER TYR GLU LYS LYS PRO SEQRES 9 A 134 PRO LYS GLU PHE LEU GLU ARG PHE LYS SER LEU LEU GLN SEQRES 10 A 134 LYS MET ILE HIS GLN HIS LEU SER SER ARG THR HIS GLY SEQRES 11 A 134 SER GLU ASP SER HELIX 1 1 ASP A 5 LEU A 28 1 24 HELIX 2 2 CYS A 43 ALA A 54 1 12 HELIX 3 3 ASN A 64 LYS A 76 1 13 HELIX 4 4 PRO A 104 SER A 125 1 22 SHEET 1 A 2 LEU A 33 PRO A 34 0 SHEET 2 A 2 LYS A 102 LYS A 103 -1 O LYS A 103 N LEU A 33 SSBOND 1 CYS A 43 CYS A 94 1555 1555 2.04 SSBOND 2 CYS A 50 CYS A 97 1555 1555 2.03 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1