HEADER HYDROLASE/HYDROLASE INHIBITOR 03-AUG-18 6EAV TITLE CRYSTALLOGRAPHIC STRUCTURE OF THE CYCLIC HEPTAPEPTIDE DERIVED FROM THE TITLE 2 BTCI INHIBITOR BOUND TO BETA-TRYPSIN IN SPACE GROUP P 4(1) 2(1) 2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BETA-TRYPSIN; COMPND 5 EC: 3.4.21.4; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: CYS-THR-LYS; COMPND 8 CHAIN: I; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 ORGANISM_SCIENTIFIC: VIGNA UNGUICULATA; SOURCE 8 ORGANISM_TAXID: 3917 KEYWDS INHIBITOR COMPLEX, BTCI, HYDROLASE, HYDROLASE-HYDROLASE INHIBITOR KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.C.FERNANDES,N.F.VALADARES,S.M.FREITAS,J.A.R.G.BARBOSA REVDAT 3 11-OCT-23 6EAV 1 REMARK REVDAT 2 08-JAN-20 6EAV 1 REMARK REVDAT 1 07-AUG-19 6EAV 0 JRNL AUTH J.F.FENANDES,N.F.VALADARES,S.M.FREITAS,J.A.R.G.BARBOSA JRNL TITL CRYSTALLOGRAPHIC STRUCTURE OF THE CYCLIC HEPTAPEPTIDE JRNL TITL 2 DERIVED FROM THE BTCI INHIBITOR BOUND TO BETA-TRYPSIN IN JRNL TITL 3 SPACE GROUP P 4(1) 2(1) 2 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.39 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.10.1_2155: ???) 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) : 1.39 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.28 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 55046 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.145 REMARK 3 R VALUE (WORKING SET) : 0.144 REMARK 3 FREE R VALUE : 0.176 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.630 REMARK 3 FREE R VALUE TEST SET COUNT : 1999 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 29.2824 - 3.3500 1.00 4166 157 0.1331 0.1442 REMARK 3 2 3.3500 - 2.6596 1.00 3931 148 0.1385 0.1728 REMARK 3 3 2.6596 - 2.3235 1.00 3867 146 0.1302 0.1585 REMARK 3 4 2.3235 - 2.1112 1.00 3844 145 0.1344 0.1880 REMARK 3 5 2.1112 - 1.9599 1.00 3814 144 0.1347 0.1762 REMARK 3 6 1.9599 - 1.8444 1.00 3812 143 0.1454 0.1795 REMARK 3 7 1.8444 - 1.7520 1.00 3762 142 0.1460 0.1893 REMARK 3 8 1.7520 - 1.6757 1.00 3810 142 0.1458 0.1810 REMARK 3 9 1.6757 - 1.6112 1.00 3772 142 0.1462 0.1843 REMARK 3 10 1.6112 - 1.5556 1.00 3729 142 0.1558 0.2267 REMARK 3 11 1.5556 - 1.5070 0.98 3685 138 0.1667 0.2088 REMARK 3 12 1.5070 - 1.4639 1.00 3750 141 0.1951 0.2368 REMARK 3 13 1.4639 - 1.4254 0.99 3710 141 0.2324 0.2754 REMARK 3 14 1.4254 - 1.3906 0.90 3395 128 0.2854 0.3010 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) : 0.140 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.640 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.14 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 : 0.008 1757 REMARK 3 ANGLE : 0.974 2405 REMARK 3 CHIRALITY : 0.084 273 REMARK 3 PLANARITY : 0.006 307 REMARK 3 DIHEDRAL : 13.139 657 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 6EAV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-AUG-18. REMARK 100 THE DEPOSITION ID IS D_1000235943. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-APR-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : LNLS REMARK 200 BEAMLINE : W01B-MX2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.30004 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE-CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 2M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 55092 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.391 REMARK 200 RESOLUTION RANGE LOW (A) : 29.280 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 13.60 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.7900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.39 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.44 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.810 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: 3RU4 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.82 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM CACODYLATE 30% W/V REMARK 280 POLYETHYLENE GLYCOL 8000, PH 7.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 90.59750 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 27.12800 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 27.12800 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 45.29875 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 27.12800 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 27.12800 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 135.89625 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 27.12800 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 27.12800 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 45.29875 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 27.12800 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 27.12800 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 135.89625 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 90.59750 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 700 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9000 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, I 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 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 HZ1 LYS I 3 O HOH I 101 1.55 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 71 -79.41 -116.01 REMARK 500 SER A 214 -68.25 -121.47 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 89.7 REMARK 620 3 VAL A 75 O 165.6 82.3 REMARK 620 4 GLU A 80 OE2 104.4 159.1 86.8 REMARK 620 5 HOH A 408 O 85.6 90.9 106.4 75.2 REMARK 620 6 HOH A 523 O 80.2 104.8 90.3 92.9 158.6 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3RU4 RELATED DB: PDB REMARK 900 RELATED ID: 2G81 RELATED DB: PDB REMARK 900 RELATED ID: 6EAT RELATED DB: PDB REMARK 900 RELATED ID: 6EAU RELATED DB: PDB REMARK 900 RELATED ID: 6EAW RELATED DB: PDB REMARK 900 RELATED ID: 6EAX RELATED DB: PDB REMARK 900 RELATED ID: 6E5M RELATED DB: PDB DBREF 6EAV A 16 245 UNP P00760 TRY1_BOVIN 24 246 DBREF 6EAV I 1 3 PDB 6EAV 6EAV 1 3 SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 A 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 A 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 A 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 A 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 A 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 A 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 A 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 A 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 A 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 A 223 SER ASN SEQRES 1 I 3 CYS THR LYS HET CA A 301 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *315(H2 O) HELIX 1 AA1 ALA A 55 TYR A 59 5 5 HELIX 2 AA2 SER A 164 TYR A 172 1 9 HELIX 3 AA3 TYR A 234 ASN A 245 1 12 SHEET 1 AA1 7 TYR A 20 THR A 21 0 SHEET 2 AA1 7 LYS A 156 PRO A 161 -1 O CYS A 157 N TYR A 20 SHEET 3 AA1 7 GLN A 135 GLY A 140 -1 N ILE A 138 O LEU A 158 SHEET 4 AA1 7 PRO A 198 CYS A 201 -1 O VAL A 200 N LEU A 137 SHEET 5 AA1 7 LYS A 204 TRP A 215 -1 O LYS A 204 N CYS A 201 SHEET 6 AA1 7 GLY A 226 LYS A 230 -1 O VAL A 227 N TRP A 215 SHEET 7 AA1 7 MET A 180 ALA A 183 -1 N PHE A 181 O TYR A 228 SHEET 1 AA2 7 GLN A 30 ASN A 34 0 SHEET 2 AA2 7 HIS A 40 ASN A 48 -1 O CYS A 42 N LEU A 33 SHEET 3 AA2 7 TRP A 51 SER A 54 -1 O VAL A 53 N SER A 45 SHEET 4 AA2 7 MET A 104 LEU A 108 -1 O MET A 104 N SER A 54 SHEET 5 AA2 7 GLN A 81 VAL A 90 -1 N ILE A 89 O LEU A 105 SHEET 6 AA2 7 GLN A 64 LEU A 67 -1 N LEU A 67 O GLN A 81 SHEET 7 AA2 7 GLN A 30 ASN A 34 -1 N ASN A 34 O GLN A 64 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.07 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.08 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.03 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.03 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.06 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.03 LINK OE1 GLU A 70 CA CA A 301 1555 1555 2.25 LINK O ASN A 72 CA CA A 301 1555 1555 2.29 LINK O VAL A 75 CA CA A 301 1555 1555 2.24 LINK OE2 GLU A 80 CA CA A 301 1555 1555 2.30 LINK CA CA A 301 O HOH A 408 1555 1555 2.49 LINK CA CA A 301 O HOH A 523 1555 1555 2.47 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 GLU A 80 SITE 2 AC1 6 HOH A 408 HOH A 523 CRYST1 54.256 54.256 181.195 90.00 90.00 90.00 P 41 21 2 8 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 0.018431 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018431 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005519 0.00000