HEADER DE NOVO PROTEIN 10-SEP-21 7S5B TITLE UNBOUND STATE OF A DE NOVO DESIGNED PROTEIN BINDER TO THE HUMAN TITLE 2 INTERLEUKIN-7 RECEPTOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: MINIPROTEIN BINDER; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MINIBINDER PROTEIN INHIBITOR CYTOKINE RECEPTOR INTERLEUKIN-7, DE NOVO KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.T.R.WALSH,L.CAO,D.BAKER REVDAT 4 03-APR-24 7S5B 1 REMARK REVDAT 3 25-MAY-22 7S5B 1 JRNL REVDAT 2 18-MAY-22 7S5B 1 JRNL REVDAT 1 11-MAY-22 7S5B 0 JRNL AUTH L.CAO,B.COVENTRY,I.GORESHNIK,B.HUANG,W.SHEFFLER,J.S.PARK, JRNL AUTH 2 K.M.JUDE,I.MARKOVIC,R.U.KADAM,K.H.G.VERSCHUEREN, JRNL AUTH 3 K.VERSTRAETE,S.T.R.WALSH,N.BENNETT,A.PHAL,A.YANG,L.KOZODOY, JRNL AUTH 4 M.DEWITT,L.PICTON,L.MILLER,E.M.STRAUCH,N.D.DEBOUVER,A.PIRES, JRNL AUTH 5 A.K.BERA,S.HALABIYA,B.HAMMERSON,W.YANG,S.BERNARD,L.STEWART, JRNL AUTH 6 I.A.WILSON,H.RUOHOLA-BAKER,J.SCHLESSINGER,S.LEE, JRNL AUTH 7 S.N.SAVVIDES,K.C.GARCIA,D.BAKER JRNL TITL DESIGN OF PROTEIN-BINDING PROTEINS FROM THE TARGET STRUCTURE JRNL TITL 2 ALONE. JRNL REF NATURE V. 605 551 2022 JRNL REFN ESSN 1476-4687 JRNL PMID 35332283 JRNL DOI 10.1038/S41586-022-04654-9 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18RC5_3822 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.15 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 28214 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.178 REMARK 3 R VALUE (WORKING SET) : 0.177 REMARK 3 FREE R VALUE : 0.198 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1412 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 36.1500 - 3.2300 0.99 2793 147 0.1617 0.1739 REMARK 3 2 3.2300 - 2.5700 1.00 2728 144 0.1859 0.2082 REMARK 3 3 2.5700 - 2.2400 1.00 2709 143 0.1599 0.1961 REMARK 3 4 2.2400 - 2.0400 0.99 2689 141 0.1679 0.2022 REMARK 3 5 2.0400 - 1.8900 0.99 2678 141 0.1743 0.1866 REMARK 3 6 1.8900 - 1.7800 0.99 2663 140 0.1960 0.2415 REMARK 3 7 1.7800 - 1.6900 0.99 2651 140 0.2157 0.2568 REMARK 3 8 1.6900 - 1.6200 0.99 2646 139 0.2315 0.2498 REMARK 3 9 1.6200 - 1.5500 0.98 2658 140 0.2686 0.2698 REMARK 3 10 1.5500 - 1.5000 0.98 2587 137 0.3916 0.4254 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.223 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.024 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.92 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 : 0.013 890 REMARK 3 ANGLE : 1.389 1185 REMARK 3 CHIRALITY : 0.055 136 REMARK 3 PLANARITY : 0.008 149 REMARK 3 DIHEDRAL : 4.170 118 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 7S5B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-SEP-21. REMARK 100 THE DEPOSITION ID IS D_1000259641. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-FEB-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.033310 REMARK 200 MONOCHROMATOR : SI REMARK 200 OPTICS : KB REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS 20200131 REMARK 200 DATA SCALING SOFTWARE : XDS 20200131 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28231 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 36.150 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.04556 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.1900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.4 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 REMARK 200 R MERGE FOR SHELL (I) : 1.61000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.370 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.8.3 REMARK 200 STARTING MODEL: MODEL REMARK 200 REMARK 200 REMARK: PRISM REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3.0 M SODIUM MALONATE PH 7.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 46.11300 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 26.62335 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 36.14533 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 46.11300 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 26.62335 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 36.14533 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 46.11300 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 26.62335 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 36.14533 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 46.11300 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 26.62335 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 36.14533 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 46.11300 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 26.62335 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 36.14533 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 46.11300 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 26.62335 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 36.14533 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 53.24671 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 72.29067 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 53.24671 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 72.29067 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 53.24671 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 72.29067 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 53.24671 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 72.29067 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 53.24671 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 72.29067 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 53.24671 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 72.29067 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: 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH B 142 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 143 LIES ON A SPECIAL POSITION. 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 GLU A 4 CG CD OE1 OE2 REMARK 470 GLU A 33 CG CD OE1 OE2 REMARK 470 GLU A 40 CG CD OE1 OE2 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 OE1 GLU B 10 O HOH B 101 2.17 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 O HOH A 128 O HOH A 128 12555 1.75 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 B 14 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG B 14 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 REMARK 500 REMARK: NULL DBREF 7S5B A 1 55 PDB 7S5B 7S5B 1 55 DBREF 7S5B B 1 55 PDB 7S5B 7S5B 1 55 SEQRES 1 A 55 SER VAL ILE GLU LYS LEU ARG LYS LEU GLU LYS GLN ALA SEQRES 2 A 55 ARG LYS GLN GLY ASP GLU VAL LEU VAL MET LEU ALA ARG SEQRES 3 A 55 MET VAL LEU GLU TYR LEU GLU LYS GLY TRP VAL SER GLU SEQRES 4 A 55 GLU ASP ALA ASP GLU SER ALA ASP ARG ILE GLU GLU VAL SEQRES 5 A 55 LEU LYS LYS SEQRES 1 B 55 SER VAL ILE GLU LYS LEU ARG LYS LEU GLU LYS GLN ALA SEQRES 2 B 55 ARG LYS GLN GLY ASP GLU VAL LEU VAL MET LEU ALA ARG SEQRES 3 B 55 MET VAL LEU GLU TYR LEU GLU LYS GLY TRP VAL SER GLU SEQRES 4 B 55 GLU ASP ALA ASP GLU SER ALA ASP ARG ILE GLU GLU VAL SEQRES 5 B 55 LEU LYS LYS FORMUL 3 HOH *75(H2 O) HELIX 1 AA1 SER A 1 GLY A 17 1 17 HELIX 2 AA2 ASP A 18 LYS A 34 1 17 HELIX 3 AA3 SER A 38 LYS A 55 1 18 HELIX 4 AA4 VAL B 2 GLN B 16 1 15 HELIX 5 AA5 ASP B 18 LYS B 34 1 17 HELIX 6 AA6 SER B 38 LYS B 55 1 18 CRYST1 92.226 92.226 108.436 90.00 90.00 120.00 H 3 2 36 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 0.010843 0.006260 0.000000 0.00000 SCALE2 0.000000 0.012520 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009222 0.00000