HEADER TRANSFERASE 19-APR-18 6D51 TITLE CRYSTAL STRUCTURE OF L,D-TRANSPEPTIDASE 3 FROM MYCOBACTERIUM TITLE 2 TUBERCULOSIS IN COMPLEX WITH A FAROPENEM-DERIVED ADDUCT COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE L,D-TRANSPEPTIDASE 3; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 33-271; COMPND 5 SYNONYM: LDT 3,LDT(MT3); COMPND 6 EC: 2.3.2.-; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 83332; SOURCE 4 STRAIN: ATCC 25618 / H37RV; SOURCE 5 GENE: RV1433, RVBD_1433, P425_01489; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS ADDUCT, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR G.A.LIBREROS,M.V.B.DIAS REVDAT 4 04-OCT-23 6D51 1 LINK REVDAT 3 01-JAN-20 6D51 1 REMARK REVDAT 2 06-NOV-19 6D51 1 REMARK REVDAT 1 27-FEB-19 6D51 0 JRNL AUTH G.A.LIBREROS-ZUNIGA,C.DOS SANTOS SILVA,R.SALGADO FERREIRA, JRNL AUTH 2 M.V.B.DIAS JRNL TITL STRUCTURAL BASIS FOR THE INTERACTION AND PROCESSING OF JRNL TITL 2 BETA-LACTAM ANTIBIOTICS BY L,D-TRANSPEPTIDASE 3 (LDTMT3) JRNL TITL 3 FROM MYCOBACTERIUM TUBERCULOSIS. JRNL REF ACS INFECT DIS V. 5 260 2019 JRNL REFN ESSN 2373-8227 JRNL PMID 30556998 JRNL DOI 10.1021/ACSINFECDIS.8B00244 REMARK 2 REMARK 2 RESOLUTION. 1.83 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.12_2829 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) : 1.83 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.94 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 20565 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.960 REMARK 3 FREE R VALUE TEST SET COUNT : 1020 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 40.9537 - 3.5001 1.00 2950 167 0.1717 0.1969 REMARK 3 2 3.5001 - 2.7783 1.00 2826 129 0.1914 0.2687 REMARK 3 3 2.7783 - 2.4272 1.00 2808 130 0.2066 0.2580 REMARK 3 4 2.4272 - 2.2053 1.00 2751 151 0.1878 0.2727 REMARK 3 5 2.2053 - 2.0472 1.00 2783 144 0.2039 0.2324 REMARK 3 6 2.0472 - 1.9265 1.00 2723 144 0.2280 0.2682 REMARK 3 7 1.9265 - 1.8300 0.99 2704 155 0.3222 0.3493 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) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.190 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.58 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.82 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 : 0.007 1838 REMARK 3 ANGLE : 0.817 2523 REMARK 3 CHIRALITY : 0.058 284 REMARK 3 PLANARITY : 0.006 331 REMARK 3 DIHEDRAL : 5.395 1467 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 6D51 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-APR-18. REMARK 100 THE DEPOSITION ID IS D_1000233987. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-MAY-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) : 1.458 REMARK 200 MONOCHROMATOR : NULL 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 : AIMLESS 0.5.27 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20633 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.830 REMARK 200 RESOLUTION RANGE LOW (A) : 46.170 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 12.30 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.83 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 12.40 REMARK 200 R MERGE FOR SHELL (I) : 1.14300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: 4K73 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000 10% (W/V), HEPES 100 MM, REMARK 280 CALCIUM ACETATE 200 MM, PH 7.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 22.03350 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.36200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.08750 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.36200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.03350 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 23.08750 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 LEU A 122 REMARK 465 PRO A 123 REMARK 465 ALA A 124 REMARK 465 PRO A 125 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 HIS A 126 CG ND1 CD2 CE1 NE2 REMARK 470 ARG A 192 CG 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 ILE A 32 O HOH A 401 2.12 REMARK 500 O HOH A 405 O HOH A 418 2.14 REMARK 500 OE1 GLU A 58 O HOH A 402 2.14 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 534 O HOH A 571 1655 2.11 REMARK 500 O HOH A 405 O HOH A 530 4445 2.12 REMARK 500 O HOH A 407 O HOH A 543 4555 2.17 REMARK 500 O HOH A 570 O HOH A 593 4445 2.17 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 85 -40.27 77.46 REMARK 500 HIS A 127 29.14 -147.68 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE AUTHORS STATE THAT SOME BETA LACTAM ANTIBIOTICS, SUCH AS REMARK 600 FAROPENEM, CAN BE PROCESSED OR DEGRADED AFTER ACYLATION OF L,D- REMARK 600 TRANSPEPTIDASES. THIS ENTRY PRESENT AS A SIMILAR CASE WITH LDTMT1 REMARK 600 AND LDTMT2, BUT IN THIS CASE FAROPENEM WAS PROCESSED UNTIL AN REMARK 600 ACETYL FRAGMENT THAT REMAINED COVALENTLY LINKED AT CATALYTIC REMARK 600 CYSTEINE. 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 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 17 O REMARK 620 2 ASP A 231 OD1 132.4 REMARK 620 3 ASP A 231 OD2 80.2 52.7 REMARK 620 4 HOH A 455 O 89.1 83.1 87.7 REMARK 620 5 HOH A 510 O 151.5 75.3 128.0 87.7 REMARK 620 6 HOH A 518 O 75.9 150.7 156.0 91.0 75.9 REMARK 620 7 HOH A 550 O 92.9 93.1 89.5 176.2 92.0 92.6 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ACE A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 302 DBREF 6D51 A 2 240 UNP O06825 LDT3_MYCTU 33 271 SEQADV 6D51 MET A -19 UNP O06825 INITIATING METHIONINE SEQADV 6D51 GLY A -18 UNP O06825 EXPRESSION TAG SEQADV 6D51 SER A -17 UNP O06825 EXPRESSION TAG SEQADV 6D51 SER A -16 UNP O06825 EXPRESSION TAG SEQADV 6D51 HIS A -15 UNP O06825 EXPRESSION TAG SEQADV 6D51 HIS A -14 UNP O06825 EXPRESSION TAG SEQADV 6D51 HIS A -13 UNP O06825 EXPRESSION TAG SEQADV 6D51 HIS A -12 UNP O06825 EXPRESSION TAG SEQADV 6D51 HIS A -11 UNP O06825 EXPRESSION TAG SEQADV 6D51 HIS A -10 UNP O06825 EXPRESSION TAG SEQADV 6D51 SER A -9 UNP O06825 EXPRESSION TAG SEQADV 6D51 SER A -8 UNP O06825 EXPRESSION TAG SEQADV 6D51 GLY A -7 UNP O06825 EXPRESSION TAG SEQADV 6D51 LEU A -6 UNP O06825 EXPRESSION TAG SEQADV 6D51 VAL A -5 UNP O06825 EXPRESSION TAG SEQADV 6D51 PRO A -4 UNP O06825 EXPRESSION TAG SEQADV 6D51 ARG A -3 UNP O06825 EXPRESSION TAG SEQADV 6D51 GLY A -2 UNP O06825 EXPRESSION TAG SEQADV 6D51 SER A -1 UNP O06825 EXPRESSION TAG SEQADV 6D51 HIS A 0 UNP O06825 EXPRESSION TAG SEQADV 6D51 MET A 1 UNP O06825 EXPRESSION TAG SEQRES 1 A 260 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 260 LEU VAL PRO ARG GLY SER HIS MET SER TYR GLY PHE ALA SEQRES 3 A 260 VAL ALA SER VAL LEU PRO THR ARG GLY GLN VAL VAL GLY SEQRES 4 A 260 VAL ALA HIS PRO VAL VAL VAL THR PHE SER ALA PRO ILE SEQRES 5 A 260 THR ASN PRO ALA ASN ARG HIS ALA ALA GLU ARG ALA VAL SEQRES 6 A 260 GLU VAL LYS SER THR PRO ALA MET THR GLY LYS PHE GLU SEQRES 7 A 260 TRP LEU ASP ASN ASP VAL VAL GLN TRP VAL PRO ASP ARG SEQRES 8 A 260 PHE TRP PRO ALA HIS SER THR VAL GLU LEU SER VAL GLY SEQRES 9 A 260 SER LEU SER SER ASP PHE LYS THR GLY PRO ALA VAL VAL SEQRES 10 A 260 GLY VAL ALA SER ILE SER GLN HIS THR PHE THR VAL SER SEQRES 11 A 260 ILE ASP GLY VAL GLU GLU GLY PRO PRO PRO PRO LEU PRO SEQRES 12 A 260 ALA PRO HIS HIS ARG VAL HIS PHE GLY GLU ASP GLY VAL SEQRES 13 A 260 MET PRO ALA SER MET GLY ARG PRO GLU TYR PRO THR PRO SEQRES 14 A 260 VAL GLY SER TYR THR VAL LEU SER LYS GLU ARG SER VAL SEQRES 15 A 260 ILE MET ASP SER SER SER VAL GLY ILE PRO VAL ASP ASP SEQRES 16 A 260 PRO ASP GLY TYR ARG LEU SER VAL ASP TYR ALA VAL ARG SEQRES 17 A 260 ILE THR SER ARG GLY LEU TYR VAL HIS SER ALA PRO TRP SEQRES 18 A 260 ALA LEU PRO ALA LEU GLY LEU GLU ASN VAL SER HIS GLY SEQRES 19 A 260 CYS ILE SER LEU SER ARG GLU ASP ALA GLU TRP TYR TYR SEQRES 20 A 260 ASN ALA VAL ASP ILE GLY ASP PRO VAL ILE VAL GLN GLU HET ACE A 301 3 HET CA A 302 1 HETNAM ACE ACETYL GROUP HETNAM CA CALCIUM ION FORMUL 2 ACE C2 H4 O FORMUL 3 CA CA 2+ FORMUL 4 HOH *199(H2 O) HELIX 1 AA1 ASN A 34 ALA A 36 5 3 HELIX 2 AA2 ASN A 37 VAL A 45 1 9 HELIX 3 AA3 SER A 167 VAL A 169 5 3 HELIX 4 AA4 PRO A 200 LEU A 206 5 7 HELIX 5 AA5 SER A 219 VAL A 230 1 12 SHEET 1 AA1 4 VAL A 7 LEU A 11 0 SHEET 2 AA1 4 VAL A 24 PHE A 28 -1 O THR A 27 N SER A 9 SHEET 3 AA1 4 VAL A 64 PRO A 69 -1 O VAL A 65 N VAL A 26 SHEET 4 AA1 4 GLY A 55 ASP A 61 -1 N GLU A 58 O GLN A 66 SHEET 1 AA2 4 VAL A 17 VAL A 18 0 SHEET 2 AA2 4 LEU A 86 THR A 92 1 O LYS A 91 N VAL A 18 SHEET 3 AA2 4 THR A 78 VAL A 83 -1 N LEU A 81 O SER A 88 SHEET 4 AA2 4 VAL A 47 THR A 50 -1 N LYS A 48 O SER A 82 SHEET 1 AA3 3 VAL A 114 GLU A 115 0 SHEET 2 AA3 3 THR A 106 ILE A 111 -1 N ILE A 111 O VAL A 114 SHEET 3 AA3 3 VAL A 136 PRO A 138 -1 O MET A 137 N PHE A 107 SHEET 1 AA4 5 VAL A 114 GLU A 115 0 SHEET 2 AA4 5 THR A 106 ILE A 111 -1 N ILE A 111 O VAL A 114 SHEET 3 AA4 5 VAL A 96 SER A 101 -1 N VAL A 99 O THR A 108 SHEET 4 AA4 5 PRO A 235 GLN A 239 1 O ILE A 237 N ALA A 100 SHEET 5 AA4 5 GLY A 151 THR A 154 -1 N TYR A 153 O VAL A 236 SHEET 1 AA5 4 SER A 157 ASP A 165 0 SHEET 2 AA5 4 ARG A 180 ARG A 188 -1 O LEU A 181 N MET A 164 SHEET 3 AA5 4 TYR A 195 SER A 198 -1 O VAL A 196 N VAL A 187 SHEET 4 AA5 4 ILE A 216 LEU A 218 1 O ILE A 216 N TYR A 195 LINK SG CYS A 215 C ACE A 301 1555 1555 1.77 LINK O VAL A 17 CA CA A 302 1555 1555 2.37 LINK OD1 ASP A 231 CA CA A 302 1555 1555 2.47 LINK OD2 ASP A 231 CA CA A 302 1555 1555 2.45 LINK CA CA A 302 O HOH A 455 1555 1555 2.40 LINK CA CA A 302 O HOH A 510 1555 4455 2.40 LINK CA CA A 302 O HOH A 518 1555 1555 2.45 LINK CA CA A 302 O HOH A 550 1555 1555 2.44 CISPEP 1 LEU A 11 PRO A 12 0 -1.05 CISPEP 2 THR A 50 PRO A 51 0 5.78 SITE 1 AC1 3 MET A 164 TYR A 179 CYS A 215 SITE 1 AC2 6 VAL A 17 ASP A 231 HOH A 455 HOH A 510 SITE 2 AC2 6 HOH A 518 HOH A 550 CRYST1 44.067 46.175 110.724 90.00 90.00 90.00 P 21 21 21 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 0.022693 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021657 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009031 0.00000