HEADER SIGNALING PROTEIN 14-JUL-21 7RFQ TITLE STRUCTURE OF BACTERIAL SYLF DOMAIN CONTAINING PROTEIN, BETA CELL TITLE 2 EXPANSION FACTOR A (BEFA) COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA CELL EXPANSION FACTOR A (BEFA); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AEROMONAS VERONII; SOURCE 3 ORGANISM_TAXID: 654; SOURCE 4 GENE: AMS64_07270; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SYLF DOMAIN, BACTERIAL PROTEIN, DEVELOPMENTAL REGULATOR, BETA CELL KEYWDS 2 EXPANSION FACTOR, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR E.G.SWEENEY REVDAT 3 09-NOV-22 7RFQ 1 JRNL REVDAT 2 02-NOV-22 7RFQ 1 JRNL REVDAT 1 20-JUL-22 7RFQ 0 JRNL AUTH J.H.HILL,M.S.MASSAQUOI,E.G.SWEENEY,E.S.WALL,P.JAHL,R.BELL, JRNL AUTH 2 K.KALLIO,D.DERRICK,L.C.MURTAUGH,R.PARTHASARATHY, JRNL AUTH 3 S.J.REMINGTON,J.L.ROUND,K.GUILLEMIN JRNL TITL BEFA, A MICROBIOTA-SECRETED MEMBRANE DISRUPTER, DISSEMINATES JRNL TITL 2 TO THE PANCREAS AND INCREASES BETA CELL MASS. JRNL REF CELL METAB. V. 34 1779 2022 JRNL REFN ESSN 1932-7420 JRNL PMID 36240759 JRNL DOI 10.1016/J.CMET.2022.09.001 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.H.HILL,E.A.FRANZOSA,C.HUTTENHOWER,K.GUILLEMIN REMARK 1 TITL A CONSERVED BACTERIAL PROTEIN INDUCES PANCREATIC BETA CELL REMARK 1 TITL 2 EXPANSION DURING ZEBRAFISH DEVELOPMENT. REMARK 1 REF ELIFE V. 5 20145 2016 REMARK 1 REFN ESSN 2050-084X REMARK 1 PMID 27960075 REMARK 1 DOI 10.7554/ELIFE.20145 REMARK 2 REMARK 2 RESOLUTION. 1.27 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1692 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.27 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.35 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 62038 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.132 REMARK 3 R VALUE (WORKING SET) : 0.131 REMARK 3 FREE R VALUE : 0.155 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.720 REMARK 3 FREE R VALUE TEST SET COUNT : 2308 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 37.3000 - 3.1996 1.00 3825 142 0.1484 0.1710 REMARK 3 2 3.1996 - 2.5398 1.00 3776 148 0.1437 0.1497 REMARK 3 3 2.5398 - 2.2188 1.00 3730 153 0.1262 0.1519 REMARK 3 4 2.2188 - 2.0159 1.00 3755 138 0.1172 0.1362 REMARK 3 5 2.0159 - 1.8714 1.00 3742 145 0.1144 0.1345 REMARK 3 6 1.8714 - 1.7611 1.00 3742 147 0.1159 0.1619 REMARK 3 7 1.7611 - 1.6729 1.00 3720 144 0.1119 0.1323 REMARK 3 8 1.6729 - 1.6001 1.00 3709 132 0.1110 0.1577 REMARK 3 9 1.6001 - 1.5385 1.00 3757 143 0.1062 0.1289 REMARK 3 10 1.5385 - 1.4854 1.00 3702 147 0.1064 0.1461 REMARK 3 11 1.4854 - 1.4390 1.00 3738 143 0.1212 0.1400 REMARK 3 12 1.4390 - 1.3978 1.00 3716 143 0.1263 0.1674 REMARK 3 13 1.3978 - 1.3610 1.00 3681 155 0.1316 0.1661 REMARK 3 14 1.3610 - 1.3278 1.00 3767 133 0.1408 0.1692 REMARK 3 15 1.3278 - 1.2976 1.00 3680 158 0.1594 0.1905 REMARK 3 16 1.2976 - 1.2700 0.99 3690 137 0.1918 0.2380 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.100 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 13.540 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.90 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 7RFQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUL-21. REMARK 100 THE DEPOSITION ID IS D_1000258154. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-JUL-16 REMARK 200 TEMPERATURE (KELVIN) : 80.000 REMARK 200 PH : 3.50 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, 0.9795 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 S 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.22 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 62064 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.270 REMARK 200 RESOLUTION RANGE LOW (A) : 37.350 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 10.00 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.16800 REMARK 200 FOR THE DATA SET : 8.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.27 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.32 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 11.50 REMARK 200 R MERGE FOR SHELL (I) : 0.11400 REMARK 200 R SYM FOR SHELL (I) : 0.11400 REMARK 200 FOR SHELL : 5.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS REMARK 200 SOFTWARE USED: AUTOSOL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: DIAMOND-LIKE, EMBEDDED IN STICKY PRECIPITANT REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.01 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25 % PEG 3350, 100 MM CITRIC ACID PH REMARK 280 3.5, 1 MM TCEP, 39 MM O-PHOSPHO-L-SERINE OR 39 MM SERINE, VAPOR, REMARK 280 PH 3.50, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 47.33500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.27500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 47.33500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 32.27500 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: 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 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 A 460 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 602 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 609 LIES ON A SPECIAL POSITION. 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 MET A 0 REMARK 465 MET A 1 REMARK 465 ASN A 2 REMARK 465 LYS A 3 REMARK 465 ARG A 4 REMARK 465 ASN A 5 REMARK 465 TRP A 6 REMARK 465 LEU A 7 REMARK 465 LEU A 8 REMARK 465 ALA A 9 REMARK 465 LEU A 10 REMARK 465 SER A 11 REMARK 465 LEU A 12 REMARK 465 SER A 13 REMARK 465 LEU A 14 REMARK 465 ALA A 15 REMARK 465 PHE A 16 REMARK 465 SER A 17 REMARK 465 PRO A 18 REMARK 465 CYS A 19 REMARK 465 TYR A 20 REMARK 465 ALA A 21 REMARK 465 ASP A 22 REMARK 465 TRP A 23 REMARK 465 ALA A 24 REMARK 465 LYS A 25 REMARK 465 LEU A 26 REMARK 465 LYS A 27 REMARK 465 ALA A 28 REMARK 465 ALA A 29 REMARK 465 ALA A 30 REMARK 465 SER A 31 REMARK 465 ASP A 32 REMARK 465 LEU A 33 REMARK 465 GLY A 34 REMARK 465 ALA A 35 REMARK 465 THR A 259 REMARK 465 SER A 260 REMARK 465 ARG A 261 REMARK 465 LEU A 262 REMARK 465 GLU A 263 REMARK 465 HIS A 264 REMARK 465 HIS A 265 REMARK 465 HIS A 266 REMARK 465 HIS A 267 REMARK 465 HIS A 268 REMARK 465 HIS A 269 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 42 CD CE NZ REMARK 470 GLN A 46 CD OE1 NE2 REMARK 470 PHE A 51 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 53 CD CE NZ REMARK 470 LYS A 54 CG CD CE NZ REMARK 470 LYS A 182 CG CD CE NZ REMARK 470 GLU A 236 CG CD OE1 OE2 REMARK 470 LYS A 237 CG CD CE NZ REMARK 470 LYS A 254 CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 LYS A 169 CG LYS A 169 CD 0.623 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 LYS A 169 CB - CG - CD ANGL. DEV. = -22.1 DEGREES REMARK 500 LYS A 169 CG - CD - CE ANGL. DEV. = -45.2 DEGREES REMARK 500 GLY A 235 N - CA - C ANGL. DEV. = 22.6 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 ASP A 50 -113.32 -95.02 REMARK 500 PHE A 51 -63.12 44.51 REMARK 500 GLN A 123 85.29 -151.65 REMARK 500 GLU A 236 -45.42 118.00 REMARK 500 LEU A 256 -42.80 -134.40 REMARK 500 LEU A 256 -154.37 -103.06 REMARK 500 THR A 257 95.07 53.97 REMARK 500 REMARK 500 REMARK: NULL DBREF1 7RFQ A 1 261 UNP A0A2S3XLU2_9GAMM DBREF2 7RFQ A A0A2S3XLU2 1 261 SEQADV 7RFQ MET A 0 UNP A0A2S3XLU INITIATING METHIONINE SEQADV 7RFQ LEU A 262 UNP A0A2S3XLU EXPRESSION TAG SEQADV 7RFQ GLU A 263 UNP A0A2S3XLU EXPRESSION TAG SEQADV 7RFQ HIS A 264 UNP A0A2S3XLU EXPRESSION TAG SEQADV 7RFQ HIS A 265 UNP A0A2S3XLU EXPRESSION TAG SEQADV 7RFQ HIS A 266 UNP A0A2S3XLU EXPRESSION TAG SEQADV 7RFQ HIS A 267 UNP A0A2S3XLU EXPRESSION TAG SEQADV 7RFQ HIS A 268 UNP A0A2S3XLU EXPRESSION TAG SEQADV 7RFQ HIS A 269 UNP A0A2S3XLU EXPRESSION TAG SEQRES 1 A 270 MET MET ASN LYS ARG ASN TRP LEU LEU ALA LEU SER LEU SEQRES 2 A 270 SER LEU ALA PHE SER PRO CYS TYR ALA ASP TRP ALA LYS SEQRES 3 A 270 LEU LYS ALA ALA ALA SER ASP LEU GLY ALA ALA VAL SER SEQRES 4 A 270 GLU THR SER LYS GLU VAL TRP GLN ASP VAL SER ASP PHE SEQRES 5 A 270 SER LYS LYS SER TRP ALA SER ILE SER ALA TRP GLY GLU SEQRES 6 A 270 GLU ALA PHE ASN THR ALA GLY VAL TRP THR ASP LYS SER SEQRES 7 A 270 ILE ALA THR GLY LYS GLU TRP LEU LYS ALA ALA ASP LYS SEQRES 8 A 270 GLU LEU ASN GLU MET LEU ASN PRO LYS THR ALA LYS GLU SEQRES 9 A 270 ALA ARG ILE ALA ILE ASN THR MET ALA ASP THR ALA LEU SEQRES 10 A 270 ILE ARG LEU PHE ASN GLU GLN PRO SER ALA LYS LEU LEU SEQRES 11 A 270 PHE ASP LYS ALA TYR GLY TYR ALA VAL PHE ASP SER ARG SEQRES 12 A 270 LYS PHE SER LEU MET LEU HIS THR ASN GLN GLY ALA GLY SEQRES 13 A 270 VAL ALA VAL ASN ARG LYS THR GLY LYS HIS THR TYR MET SEQRES 14 A 270 LYS MET PHE GLY ALA GLY LEU ALA ALA GLY ILE GLY GLY SEQRES 15 A 270 LYS PHE TYR GLN GLN VAL ILE LEU PHE GLU ASP LYS ALA SEQRES 16 A 270 ARG PHE ASP ALA PHE VAL THR GLN GLY TRP GLU ALA THR SEQRES 17 A 270 SER GLU VAL GLY VAL VAL ALA GLY LYS GLU SER ALA GLU SEQRES 18 A 270 LEU THR ALA LYS TYR ASN GLY GLY MET ALA ILE TYR GLN SEQRES 19 A 270 ILE GLY GLU LYS GLY LEU LEU LEU ASP ALA ASN ILE SER SEQRES 20 A 270 GLY SER LYS TYR TRP ILE ASP LYS ASP LEU THR GLU THR SEQRES 21 A 270 SER ARG LEU GLU HIS HIS HIS HIS HIS HIS HET CIT A 301 18 HET CIT A 302 18 HETNAM CIT CITRIC ACID FORMUL 2 CIT 2(C6 H8 O7) FORMUL 4 HOH *213(H2 O) HELIX 1 AA1 ALA A 36 SER A 60 1 25 HELIX 2 AA2 ALA A 61 ASN A 68 1 8 HELIX 3 AA3 THR A 74 LEU A 96 1 23 HELIX 4 AA4 THR A 100 GLN A 123 1 24 HELIX 5 AA5 PRO A 124 LYS A 132 1 9 HELIX 6 AA6 GLY A 172 GLY A 178 1 7 HELIX 7 AA7 ASP A 192 GLY A 203 1 12 HELIX 8 AA8 SER A 218 TYR A 225 1 8 SHEET 1 AA1 7 TRP A 204 GLU A 205 0 SHEET 2 AA1 7 LYS A 249 ILE A 252 -1 O TYR A 250 N TRP A 204 SHEET 3 AA1 7 HIS A 165 PHE A 171 -1 N LYS A 169 O TRP A 251 SHEET 4 AA1 7 GLN A 152 ASN A 159 -1 N ALA A 157 O THR A 166 SHEET 5 AA1 7 GLY A 135 ASP A 140 -1 N TYR A 136 O VAL A 158 SHEET 6 AA1 7 GLN A 185 PHE A 190 -1 O ILE A 188 N ALA A 137 SHEET 7 AA1 7 MET A 229 ILE A 234 -1 O TYR A 232 N VAL A 187 CRYST1 94.670 64.550 42.630 90.00 113.26 90.00 C 1 2 1 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 0.010563 0.000000 0.004540 0.00000 SCALE2 0.000000 0.015492 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025533 0.00000