HEADER TRANSCRIPTION ACTIVATOR/ANTIBIOTIC 12-AUG-13 2MBZ TITLE STRUCTURAL BASIS OF A THIOPEPTIDE ANTIBIOTIC MULTIDRUG RESISTANCE TITLE 2 SYSTEM FROM STREPTOMYCES LIVIDANS:PROMOTHIOCIN A IN COMPLEX WITH TITLE 3 TIPAS COMPND MOL_ID: 1; COMPND 2 MOLECULE: HTH-TYPE TRANSCRIPTIONAL ACTIVATOR TIPA; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 110-253; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROMOTHIOCIN A; COMPND 8 CHAIN: B; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS; SOURCE 3 ORGANISM_TAXID: 1916; SOURCE 4 GENE: TIPA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: XL1-BLUE; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: VECTOR; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PDS8; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES; SOURCE 12 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 13 ORGANISM_TAXID: 32630 KEYWDS TIPAS/PROMOTHIOCIN A, PROTEIN/ANTIBIOTIC, PROTEIN/THIOPEPTIDE, KEYWDS 2 MULTIDRUG RECOGNITION, TRANSCRIPTIONAL ACTIVATOR, TRANSCRIPTION KEYWDS 3 ACTIVATOR-ANTIBIOTIC COMPLEX EXPDTA SOLUTION NMR NUMMDL 10 AUTHOR J.HABAZETTL,M.G.ALLAN,P.JENSEN,H.SASS,S.GRZESIEK REVDAT 3 15-NOV-23 2MBZ 1 REMARK LINK ATOM REVDAT 2 17-OCT-18 2MBZ 1 COMPND SOURCE JRNL REVDAT 1 10-DEC-14 2MBZ 0 JRNL AUTH J.HABAZETTL,M.ALLAN,P.R.JENSEN,H.J.SASS,C.J.THOMPSON, JRNL AUTH 2 S.GRZESIEK JRNL TITL STRUCTURAL BASIS AND DYNAMICS OF MULTIDRUG RECOGNITION IN A JRNL TITL 2 MINIMAL BACTERIAL MULTIDRUG RESISTANCE SYSTEM. JRNL REF PROC. NATL. ACAD. SCI. V. 111 E5498 2014 JRNL REF 2 U.S.A. JRNL REFN ESSN 1091-6490 JRNL PMID 25489067 JRNL DOI 10.1073/PNAS.1412070111 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR NIH 2.30, X-PLOR NIH 2.30 REMARK 3 AUTHORS : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X-PLOR REMARK 3 NIH), SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X- REMARK 3 PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 1ST. SIMULATED ANNEALING STEP: LIGAND REMARK 3 IS COVALENTLY ATTACHED, BUT ONLY RESTRAINTS OF THE FOLDED PART REMARK 3 OF THE PROTEIN IN APO FORM ARE USED 2ND. SIMULATED ANNEALING REMARK 3 STEP: ALL RESTRAINTS ARE USED REMARK 4 REMARK 4 2MBZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-OCT-13. REMARK 100 THE DEPOSITION ID IS D_1000103456. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298; 298; 298; 298 REMARK 210 PH : 5.9; 5.9; 5.9; 5.9 REMARK 210 IONIC STRENGTH : 0.055; 0.055; 0.055; 0.055 REMARK 210 PRESSURE : AMBIENT; AMBIENT; AMBIENT; REMARK 210 AMBIENT REMARK 210 SAMPLE CONTENTS : 1 MM [U-98% 15N] TIPAS-1, 2 MM REMARK 210 PROMOTHIOCIN A-2, 50 MM REMARK 210 POTASSIUM PHOSPHATE-3, 0.02 W/V REMARK 210 SODIUM AZIDE-4, 95% H2O/5% D2O; REMARK 210 1 MM [U-100% 13C; U-100% 15N] REMARK 210 TIPAS-5, 2 MM PROMOTHIOCIN A-6, REMARK 210 50 MM POTASSIUM PHOSPHATE-7, REMARK 210 0.02 W/V SODIUM AZIDE-8, 95% H2O/ REMARK 210 5% D2O; 1 MM [U-100% 13C; U-100% REMARK 210 15N] TIPAS-9, 2 MM PROMOTHIOCIN REMARK 210 A-10, 50 MM POTASSIUM PHOSPHATE- REMARK 210 11, 0.02 W/V SODIUM AZIDE-12, REMARK 210 100% D2O; 0.8 MM [U-100% 13C; U- REMARK 210 100% 15N] TIPAS-13, 1.6 MM REMARK 210 PROMOTHIOCIN A-14, 10 MM REMARK 210 POTASSIUM PHOSPHATE-15, 10 MG/ML REMARK 210 PF1 PHAGE-16, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HSQC REMARK 210 ALIPHATIC; 3D HNCO; 3D CBCA(CO) REMARK 210 NH; 3D C(CO)NH TOCSY; 3D HBHA(CO) REMARK 210 NH; 3D H(CCO)NH TOCSY; 3D HCCH- REMARK 210 TOCSY ALIPHATIC; 3D HNHA; HAHB; REMARK 210 CBCANH; 13C'-{13C } SPIN-ECHO REMARK 210 DIFFERENCE 1H-15N HSQC; 15N-{13C REMARK 210 } SPIN-ECHO DIFFERENCE 1H-15N REMARK 210 HSQC; 13C'-{13C } SPIN-ECHO REMARK 210 DIFFERENCE 1H-13C HSQC; 15N-{13C REMARK 210 } SPIN-ECHO DIFFERENCE 1H-13C REMARK 210 HSQC; 3D 1H-15N ROESY; 3D 1H-15N REMARK 210 NOESY; 3D 1H-13C NOESY; 4D 13C- REMARK 210 13C-NOESY-HMQC; 2D NOESY REMARK 210 FILTERED AGAINST 1H BOUND TO 13C REMARK 210 OR 15N; 2D HOHAHA FILTERED REMARK 210 AGAINST 1H BOUND TO 13C OR 15N; REMARK 210 DOUBLET-SEPARATED SENSITIVITY- REMARK 210 ENHANCED 1H-15N HSQC; J-RESOLVED REMARK 210 CONSTANT-TIME 13C-HSQC; 3D 1H- REMARK 210 13C NOESY AROMATIC REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 800 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE 2012, SPARKY 3.115, REMARK 210 PIPP, XEASY, TALOS TALOS+, REMARK 210 PROCHECKNMR, XWINNMR, TOPSPIN REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 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: NULL 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 400 REMARK 400 COMPOUND REMARK 400 REMARK 400 THE PROMOTHIOCIN A IS THIOPEPTIDE, A MEMBER OF ANTIBIOTIC CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: PROMOTHIOCIN A REMARK 400 CHAIN: B REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: NULL REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-10 REMARK 465 RES C SSSEQI REMARK 465 MET A 110 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 THR A 226 H ASP A 230 1.35 REMARK 500 O TYR A 239 OD1 ASP A 242 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 1 SER B 501 CA SER B 501 CB -0.161 REMARK 500 2 SER B 501 CA SER B 501 CB -0.157 REMARK 500 3 SER B 501 CA SER B 501 CB -0.162 REMARK 500 4 SER B 501 CA SER B 501 CB -0.160 REMARK 500 5 SER B 501 CA SER B 501 CB -0.165 REMARK 500 6 SER B 501 CA SER B 501 CB -0.160 REMARK 500 7 SER B 501 CA SER B 501 CB -0.164 REMARK 500 8 SER B 501 CA SER B 501 CB -0.154 REMARK 500 9 SER B 501 CA SER B 501 CB -0.160 REMARK 500 10 SER B 501 CA SER B 501 CB -0.165 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 1 MOZ B 505 C - N - CA ANGL. DEV. = -15.3 DEGREES REMARK 500 1 MOZ B 509 C - N - CA ANGL. DEV. = -16.4 DEGREES REMARK 500 2 MOZ B 505 C - N - CA ANGL. DEV. = -15.2 DEGREES REMARK 500 2 MOZ B 509 C - N - CA ANGL. DEV. = -16.3 DEGREES REMARK 500 3 MOZ B 505 C - N - CA ANGL. DEV. = -15.5 DEGREES REMARK 500 3 MOZ B 509 C - N - CA ANGL. DEV. = -16.5 DEGREES REMARK 500 4 MOZ B 505 C - N - CA ANGL. DEV. = -15.3 DEGREES REMARK 500 4 MOZ B 509 C - N - CA ANGL. DEV. = -16.5 DEGREES REMARK 500 5 MOZ B 505 C - N - CA ANGL. DEV. = -15.4 DEGREES REMARK 500 5 MOZ B 509 C - N - CA ANGL. DEV. = -16.4 DEGREES REMARK 500 6 MOZ B 505 C - N - CA ANGL. DEV. = -15.3 DEGREES REMARK 500 6 MOZ B 509 C - N - CA ANGL. DEV. = -16.4 DEGREES REMARK 500 7 MOZ B 505 C - N - CA ANGL. DEV. = -15.3 DEGREES REMARK 500 7 MOZ B 509 C - N - CA ANGL. DEV. = -16.3 DEGREES REMARK 500 8 MOZ B 505 C - N - CA ANGL. DEV. = -15.1 DEGREES REMARK 500 8 MOZ B 509 C - N - CA ANGL. DEV. = -16.3 DEGREES REMARK 500 9 MOZ B 505 C - N - CA ANGL. DEV. = -15.3 DEGREES REMARK 500 9 MOZ B 509 C - N - CA ANGL. DEV. = -16.4 DEGREES REMARK 500 10 MOZ B 505 C - N - CA ANGL. DEV. = -15.4 DEGREES REMARK 500 10 MOZ B 509 C - N - CA ANGL. DEV. = -15.9 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 1 VAL A 122 -63.26 -101.50 REMARK 500 1 TYR A 155 134.32 -35.50 REMARK 500 1 HIS A 204 -38.63 -143.44 REMARK 500 1 TYR A 205 -51.33 -178.55 REMARK 500 1 ASP A 206 61.64 148.53 REMARK 500 1 CYS A 207 85.70 -55.48 REMARK 500 1 LYS A 233 142.97 -178.66 REMARK 500 1 ALA B 506 -18.15 -177.45 REMARK 500 1 ALA B 508 -157.49 -117.12 REMARK 500 2 ILE A 112 -78.08 60.77 REMARK 500 2 VAL A 122 -64.71 -99.48 REMARK 500 2 ASP A 125 55.42 15.73 REMARK 500 2 ASP A 129 -14.31 -45.14 REMARK 500 2 TYR A 131 38.54 -145.69 REMARK 500 2 TYR A 155 134.13 -33.63 REMARK 500 2 ASN A 203 -3.02 -59.91 REMARK 500 2 HIS A 204 -30.69 -147.83 REMARK 500 2 TYR A 205 -107.92 -175.13 REMARK 500 2 ASP A 206 41.99 -169.45 REMARK 500 2 ALA A 231 -25.53 -39.90 REMARK 500 2 LYS A 233 146.74 -175.31 REMARK 500 2 THR A 252 107.93 -49.84 REMARK 500 2 VAL B 503 143.99 -171.57 REMARK 500 2 ALA B 506 -29.18 -172.82 REMARK 500 2 ALA B 508 -157.58 -109.14 REMARK 500 3 VAL A 122 -64.36 -99.99 REMARK 500 3 ASP A 125 54.81 15.86 REMARK 500 3 TYR A 131 29.90 -146.18 REMARK 500 3 TYR A 155 134.41 -36.83 REMARK 500 3 ASN A 203 -7.82 -58.57 REMARK 500 3 HIS A 204 -37.43 -140.71 REMARK 500 3 TYR A 205 -110.86 -174.69 REMARK 500 3 ASP A 206 65.21 -154.01 REMARK 500 3 ALA A 231 -25.35 -37.97 REMARK 500 3 LYS A 233 106.21 -175.09 REMARK 500 3 THR A 252 108.14 -49.30 REMARK 500 3 VAL B 503 153.28 173.64 REMARK 500 3 ALA B 508 -151.42 -106.28 REMARK 500 4 ASN A 113 67.81 37.38 REMARK 500 4 PRO A 116 -38.67 -39.58 REMARK 500 4 ASP A 125 57.25 174.57 REMARK 500 4 TYR A 131 39.43 -145.89 REMARK 500 4 HIS A 204 -30.53 -143.80 REMARK 500 4 TYR A 205 -44.58 176.63 REMARK 500 4 ASP A 206 92.01 140.17 REMARK 500 4 ALA A 231 -27.66 -38.57 REMARK 500 4 LYS A 233 146.39 -171.26 REMARK 500 4 THR A 252 109.44 -51.17 REMARK 500 4 ALA B 506 -21.45 -172.67 REMARK 500 4 ALA B 508 -159.76 -116.11 REMARK 500 REMARK 500 THIS ENTRY HAS 114 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 1 NAK B 510 24.06 REMARK 500 2 NAK B 510 23.75 REMARK 500 3 NAK B 510 23.48 REMARK 500 4 NAK B 510 23.59 REMARK 500 5 NAK B 510 24.35 REMARK 500 6 NAK B 510 23.82 REMARK 500 7 NAK B 510 24.71 REMARK 500 8 NAK B 510 22.47 REMARK 500 9 NAK B 510 23.81 REMARK 500 10 NAK B 510 25.87 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN B OF PROMOTHIOCIN A REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1NY9 RELATED DB: PDB REMARK 900 RELATED ID: 19421 RELATED DB: BMRB DBREF 2MBZ A 110 253 UNP P0A4T9 TIPA_STRLI 110 253 DBREF 2MBZ B 501 512 PDB 2MBZ 2MBZ 501 512 SEQRES 1 A 144 MET GLY ILE ASN LEU THR PRO GLU GLU LYS PHE GLU VAL SEQRES 2 A 144 PHE GLY ASP PHE ASP PRO ASP GLN TYR GLU GLU GLU VAL SEQRES 3 A 144 ARG GLU ARG TRP GLY ASN THR ASP ALA TYR ARG GLN SER SEQRES 4 A 144 LYS GLU LYS THR ALA SER TYR THR LYS GLU ASP TRP GLN SEQRES 5 A 144 ARG ILE GLN ASP GLU ALA ASP GLU LEU THR ARG ARG PHE SEQRES 6 A 144 VAL ALA LEU MET ASP ALA GLY GLU PRO ALA ASP SER GLU SEQRES 7 A 144 GLY ALA MET ASP ALA ALA GLU ASP HIS ARG GLN GLY ILE SEQRES 8 A 144 ALA ARG ASN HIS TYR ASP CYS GLY TYR GLU MET HIS THR SEQRES 9 A 144 CYS LEU GLY GLU MET TYR VAL SER ASP GLU ARG PHE THR SEQRES 10 A 144 ARG ASN ILE ASP ALA ALA LYS PRO GLY LEU ALA ALA TYR SEQRES 11 A 144 MET ARG ASP ALA ILE LEU ALA ASN ALA VAL ARG HIS THR SEQRES 12 A 144 PRO SEQRES 1 B 12 SER BB9 VAL GLY MOZ ALA BB9 ALA MOZ NAK ALA NH2 MODRES 2MBZ BB9 B 502 CYS MODRES 2MBZ BB9 B 507 CYS HET BB9 B 502 7 HET MOZ B 505 10 HET BB9 B 507 7 HET MOZ B 509 9 HET NAK B 510 6 HET NH2 B 512 3 HETNAM BB9 (2Z)-2-AMINO-3-SULFANYLPROP-2-ENOIC ACID HETNAM MOZ (2Z)-2-AMINO-3-HYDROXYBUT-2-ENOIC ACID HETNAM NAK AMINO-ACRYLATE HETNAM NH2 AMINO GROUP HETSYN NAK 2-IMINIOPROPANOATE FORMUL 2 BB9 2(C3 H5 N O2 S) FORMUL 2 MOZ 2(C4 H7 N O3) FORMUL 2 NAK C3 H5 N O2 FORMUL 2 NH2 H2 N HELIX 1 1 THR A 115 GLY A 124 1 10 HELIX 2 2 PRO A 128 GLN A 130 5 3 HELIX 3 3 TYR A 131 TRP A 139 1 9 HELIX 4 4 ASP A 143 ALA A 153 1 11 HELIX 5 5 THR A 156 GLY A 181 1 26 HELIX 6 6 SER A 186 ARG A 202 1 17 HELIX 7 7 GLY A 208 ASP A 222 1 15 HELIX 8 8 ASP A 222 ALA A 231 1 10 HELIX 9 9 GLY A 235 THR A 252 1 18 LINK SG CYS A 214 CB ALA B 511 1555 1555 1.83 LINK C SER B 501 N BB9 B 502 1555 1555 1.36 LINK C SER B 501 SG BB9 B 502 1555 1555 1.66 LINK CA SER B 501 C MOZ B 509 1555 1555 1.36 LINK CB SER B 501 CAE NAK B 510 1555 1555 1.37 LINK C BB9 B 502 N VAL B 503 1555 1555 1.33 LINK C GLY B 504 N MOZ B 505 1555 1555 1.35 LINK C GLY B 504 OG MOZ B 505 1555 1555 1.37 LINK C MOZ B 505 N ALA B 506 1555 1555 1.33 LINK C ALA B 506 N BB9 B 507 1555 1555 1.38 LINK C ALA B 506 SG BB9 B 507 1555 1555 1.67 LINK C BB9 B 507 N ALA B 508 1555 1555 1.34 LINK C ALA B 508 N MOZ B 509 1555 1555 1.33 LINK C ALA B 508 OG MOZ B 509 1555 1555 1.37 LINK C MOZ B 509 N NAK B 510 1555 1555 1.35 LINK C NAK B 510 N ALA B 511 1555 1555 1.32 LINK C ALA B 511 N NH2 B 512 1555 1555 1.32 SITE 1 AC1 17 PHE A 126 VAL A 135 TRP A 139 THR A 142 SITE 2 AC1 17 ALA A 144 TYR A 145 SER A 148 ILE A 200 SITE 3 AC1 17 HIS A 204 CYS A 214 LEU A 215 MET A 218 SITE 4 AC1 17 TYR A 219 ARG A 224 PHE A 225 ASN A 228 SITE 5 AC1 17 ILE A 229 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