HEADER HYDROLASE 28-FEB-25 9QAN TITLE HUMAN ANGIOTENSIN-1 CONVERTING ENZYME C-DOMAIN IN COMPLEX WITH TITLE 2 RAMIPRILAT COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANGIOTENSIN-CONVERTING ENZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ACE,DIPEPTIDYL CARBOXYPEPTIDASE I,KININASE II; COMPND 5 EC: 3.2.1.-,3.4.15.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ACE, DCP, DCP1; SOURCE 6 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 10029 KEYWDS INHIBITOR COMPLEX, ACE, RAMIPRILAT, ANTI-HYPERTENSIVE DRUG, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR K.S.GREGORY,K.R.ACHARYA REVDAT 2 28-JAN-26 9QAN 1 JRNL REVDAT 1 03-SEP-25 9QAN 0 JRNL AUTH K.S.GREGORY,V.RAMASAMY,E.D.STURROCK,K.R.ACHARYA JRNL TITL MOLECULAR BASIS OF DOMAIN-SPECIFIC ANGIOTENSIN I-CONVERTING JRNL TITL 2 ENZYME INHIBITION BY THE ANTIHYPERTENSIVE DRUGS ENALAPRILAT, JRNL TITL 3 RAMIPRILAT, TRANDOLAPRILAT, QUINAPRILAT AND PERINDOPRILAT. JRNL REF FEBS J. V. 293 475 2026 JRNL REFN ISSN 1742-464X JRNL PMID 40824896 JRNL DOI 10.1111/FEBS.70232 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0425 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 72.37 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 105606 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.198 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.085 REMARK 3 FREE R VALUE TEST SET COUNT : 5370 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.54 REMARK 3 REFLECTION IN BIN (WORKING SET) : 7363 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2920 REMARK 3 BIN FREE R VALUE SET COUNT : 372 REMARK 3 BIN FREE R VALUE : 0.2920 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4690 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 136 REMARK 3 SOLVENT ATOMS : 577 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.86 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.01900 REMARK 3 B22 (A**2) : 0.18700 REMARK 3 B33 (A**2) : -0.20600 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.067 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.071 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.054 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.509 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.973 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.964 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 5103 ; 0.015 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 4655 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 6957 ; 2.208 ; 1.830 REMARK 3 BOND ANGLES OTHERS (DEGREES): 10748 ; 0.762 ; 1.759 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 603 ; 5.947 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 29 ; 8.062 ; 6.034 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 828 ;13.083 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 743 ; 0.116 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 6050 ; 0.013 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 1216 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1121 ; 0.238 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 70 ; 0.219 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2535 ; 0.193 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 401 ; 0.187 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 2373 ; 2.488 ; 2.152 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 2373 ; 2.487 ; 2.152 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2989 ; 3.221 ; 3.853 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 2990 ; 3.222 ; 3.854 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2730 ; 4.205 ; 2.593 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 2731 ; 4.204 ; 2.593 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 3968 ; 6.117 ; 4.565 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 3969 ; 6.116 ; 4.565 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK BULK SOLVENT REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THEIR REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 9QAN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 05-MAR-25. REMARK 100 THE DEPOSITION ID IS D_1292145439. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-SEP-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.953731 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 105702 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 134.510 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 13.10 REMARK 200 R MERGE (I) : 0.10800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 8.22 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 134.5 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 11.10 REMARK 200 R MERGE FOR SHELL (I) : 0.04700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 40.20 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.18 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MIB, 5% GLYCEROL, 15% PEG 3350., REMARK 280 PH 4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289.15K 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 28.37100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 67.25450 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.84250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 67.25450 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.37100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.84250 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, 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 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 LEU A 37 REMARK 465 VAL A 38 REMARK 465 THR A 39 REMARK 465 GLU A 436 REMARK 465 GLY A 437 REMARK 465 GLY A 438 REMARK 465 GLN A 618 REMARK 465 TYR A 619 REMARK 465 ASN A 620 REMARK 465 TRP A 621 REMARK 465 THR A 622 REMARK 465 PRO A 623 REMARK 465 ASN A 624 REMARK 465 SER A 625 REMARK 465 ALA A 626 REMARK 465 ARG A 627 REMARK 465 SER A 628 REMARK 465 GLU A 629 REMARK 465 GLY A 630 REMARK 465 PRO A 631 REMARK 465 LEU A 632 REMARK 465 PRO A 633 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 HOH A 896 O HOH A 942 1.86 REMARK 500 O HOH A 1255 O HOH A 1369 1.89 REMARK 500 O HOH A 1055 O HOH A 1069 1.92 REMARK 500 O HOH A 1076 O HOH A 1214 2.09 REMARK 500 OE1 GLU A 376 O HOH A 801 2.13 REMARK 500 O HOH A 1326 O HOH A 1371 2.15 REMARK 500 O HOH A 940 O HOH A 1307 2.16 REMARK 500 OE2 GLU A 162 O HOH A 802 2.18 REMARK 500 O HOH A 1322 O HOH A 1374 2.19 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 A 53 CG - CD - NE ANGL. DEV. = -13.5 DEGREES REMARK 500 ARG A 53 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG A 173 NE - CZ - NH1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 173 NE - CZ - NH2 ANGL. DEV. = -6.4 DEGREES REMARK 500 ARG A 191 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG A 221 NE - CZ - NH2 ANGL. DEV. = -4.5 DEGREES REMARK 500 ARG A 235 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 252 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 257 NE - CZ - NH2 ANGL. DEV. = 3.3 DEGREES REMARK 500 MET A 299 CG - SD - CE ANGL. DEV. = 10.8 DEGREES REMARK 500 TYR A 390 CB - CG - CD1 ANGL. DEV. = 4.6 DEGREES REMARK 500 HIS A 426 CB - CG - CD2 ANGL. DEV. = 8.3 DEGREES REMARK 500 ARG A 470 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 TYR A 481 CB - CG - CD2 ANGL. DEV. = -4.8 DEGREES REMARK 500 TYR A 492 CB - CG - CD1 ANGL. DEV. = -4.1 DEGREES REMARK 500 ARG A 522 NE - CZ - NH1 ANGL. DEV. = -3.2 DEGREES REMARK 500 LEU A 609 CB - CG - CD1 ANGL. DEV. = -12.1 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 ASN A 72 73.46 -176.39 REMARK 500 GLU A 123 -134.69 53.97 REMARK 500 GLN A 155 50.30 34.86 REMARK 500 LYS A 363 -35.17 -134.21 REMARK 500 PHE A 506 76.12 -150.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 348 0.08 SIDE CHAIN REMARK 500 ARG A 489 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A1377 DISTANCE = 5.88 ANGSTROMS 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 ZN A 711 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 383 NE2 REMARK 620 2 HIS A 387 NE2 108.8 REMARK 620 3 GLU A 411 OE1 91.2 105.9 REMARK 620 4 X92 A 704 OAE 112.4 129.2 101.7 REMARK 620 5 X92 A 704 OAB 91.1 96.3 155.5 55.2 REMARK 620 N 1 2 3 4 REMARK 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: RAMIPRILAT REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 630 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 630 REMARK 630 M RES C SSSEQI REMARK 630 X92 A 704 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: CLT ALA XBG REMARK 630 DETAILS: NULL DBREF 9QAN A 37 633 UNP P12821 ACE_HUMAN 642 1238 SEQADV 9QAN GLY A 64 UNP P12821 GLU 669 ENGINEERED MUTATION SEQADV 9QAN GLN A 90 UNP P12821 ASN 695 ENGINEERED MUTATION SEQADV 9QAN GLN A 155 UNP P12821 ASN 760 ENGINEERED MUTATION SEQADV 9QAN GLN A 337 UNP P12821 ASN 942 ENGINEERED MUTATION SEQADV 9QAN GLN A 586 UNP P12821 ASN 1191 ENGINEERED MUTATION SEQRES 1 A 597 LEU VAL THR ASP GLU ALA GLU ALA SER LYS PHE VAL GLU SEQRES 2 A 597 GLU TYR ASP ARG THR SER GLN VAL VAL TRP ASN GLU TYR SEQRES 3 A 597 ALA GLY ALA ASN TRP ASN TYR ASN THR ASN ILE THR THR SEQRES 4 A 597 GLU THR SER LYS ILE LEU LEU GLN LYS ASN MET GLN ILE SEQRES 5 A 597 ALA GLN HIS THR LEU LYS TYR GLY THR GLN ALA ARG LYS SEQRES 6 A 597 PHE ASP VAL ASN GLN LEU GLN ASN THR THR ILE LYS ARG SEQRES 7 A 597 ILE ILE LYS LYS VAL GLN ASP LEU GLU ARG ALA ALA LEU SEQRES 8 A 597 PRO ALA GLN GLU LEU GLU GLU TYR ASN LYS ILE LEU LEU SEQRES 9 A 597 ASP MET GLU THR THR TYR SER VAL ALA THR VAL CYS HIS SEQRES 10 A 597 PRO GLN GLY SER CYS LEU GLN LEU GLU PRO ASP LEU THR SEQRES 11 A 597 ASN VAL MET ALA THR SER ARG LYS TYR GLU ASP LEU LEU SEQRES 12 A 597 TRP ALA TRP GLU GLY TRP ARG ASP LYS ALA GLY ARG ALA SEQRES 13 A 597 ILE LEU GLN PHE TYR PRO LYS TYR VAL GLU LEU ILE ASN SEQRES 14 A 597 GLN ALA ALA ARG LEU ASN GLY TYR VAL ASP ALA GLY ASP SEQRES 15 A 597 SER TRP ARG SER MET TYR GLU THR PRO SER LEU GLU GLN SEQRES 16 A 597 ASP LEU GLU ARG LEU PHE GLN GLU LEU GLN PRO LEU TYR SEQRES 17 A 597 LEU ASN LEU HIS ALA TYR VAL ARG ARG ALA LEU HIS ARG SEQRES 18 A 597 HIS TYR GLY ALA GLN HIS ILE ASN LEU GLU GLY PRO ILE SEQRES 19 A 597 PRO ALA HIS LEU LEU GLY ASN MET TRP ALA GLN THR TRP SEQRES 20 A 597 SER ASN ILE TYR ASP LEU VAL VAL PRO PHE PRO SER ALA SEQRES 21 A 597 PRO SER MET ASP THR THR GLU ALA MET LEU LYS GLN GLY SEQRES 22 A 597 TRP THR PRO ARG ARG MET PHE LYS GLU ALA ASP ASP PHE SEQRES 23 A 597 PHE THR SER LEU GLY LEU LEU PRO VAL PRO PRO GLU PHE SEQRES 24 A 597 TRP GLN LYS SER MET LEU GLU LYS PRO THR ASP GLY ARG SEQRES 25 A 597 GLU VAL VAL CYS HIS ALA SER ALA TRP ASP PHE TYR ASN SEQRES 26 A 597 GLY LYS ASP PHE ARG ILE LYS GLN CYS THR THR VAL ASN SEQRES 27 A 597 LEU GLU ASP LEU VAL VAL ALA HIS HIS GLU MET GLY HIS SEQRES 28 A 597 ILE GLN TYR PHE MET GLN TYR LYS ASP LEU PRO VAL ALA SEQRES 29 A 597 LEU ARG GLU GLY ALA ASN PRO GLY PHE HIS GLU ALA ILE SEQRES 30 A 597 GLY ASP VAL LEU ALA LEU SER VAL SER THR PRO LYS HIS SEQRES 31 A 597 LEU HIS SER LEU ASN LEU LEU SER SER GLU GLY GLY SER SEQRES 32 A 597 ASP GLU HIS ASP ILE ASN PHE LEU MET LYS MET ALA LEU SEQRES 33 A 597 ASP LYS ILE ALA PHE ILE PRO PHE SER TYR LEU VAL ASP SEQRES 34 A 597 GLN TRP ARG TRP ARG VAL PHE ASP GLY SER ILE THR LYS SEQRES 35 A 597 GLU ASN TYR ASN GLN GLU TRP TRP SER LEU ARG LEU LYS SEQRES 36 A 597 TYR GLN GLY LEU CSO PRO PRO VAL PRO ARG THR GLN GLY SEQRES 37 A 597 ASP PHE ASP PRO GLY ALA LYS PHE HIS ILE PRO SER SER SEQRES 38 A 597 VAL PRO TYR ILE ARG TYR PHE VAL SER PHE ILE ILE GLN SEQRES 39 A 597 PHE GLN PHE HIS GLU ALA LEU CYS GLN ALA ALA GLY HIS SEQRES 40 A 597 THR GLY PRO LEU HIS LYS CYS ASP ILE TYR GLN SER LYS SEQRES 41 A 597 GLU ALA GLY GLN ARG LEU ALA THR ALA MET LYS LEU GLY SEQRES 42 A 597 PHE SER ARG PRO TRP PRO GLU ALA MET GLN LEU ILE THR SEQRES 43 A 597 GLY GLN PRO GLN MET SER ALA SER ALA MET LEU SER TYR SEQRES 44 A 597 PHE LYS PRO LEU LEU ASP TRP LEU ARG THR GLU ASN GLU SEQRES 45 A 597 LEU HIS GLY GLU LYS LEU GLY TRP PRO GLN TYR ASN TRP SEQRES 46 A 597 THR PRO ASN SER ALA ARG SER GLU GLY PRO LEU PRO MODRES 9QAN CSO A 496 CYS MODIFIED RESIDUE HET CSO A 496 7 HET NAG B 1 14 HET NAG B 2 14 HET BMA B 3 11 HET MAN B 4 11 HET FUC B 5 10 HET NAG A 701 14 HET IMD A 702 5 HET EDO A 703 4 HET X92 A 704 28 HET PGE A 705 10 HET EDO A 706 4 HET BO3 A 707 4 HET BO3 A 708 4 HET CL A 709 1 HET CL A 710 1 HET ZN A 711 1 HETNAM CSO S-HYDROXYCYSTEINE HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM BMA BETA-D-MANNOPYRANOSE HETNAM MAN ALPHA-D-MANNOPYRANOSE HETNAM FUC ALPHA-L-FUCOPYRANOSE HETNAM IMD IMIDAZOLE HETNAM EDO 1,2-ETHANEDIOL HETNAM X92 RAMIPRILAT HETNAM PGE TRIETHYLENE GLYCOL HETNAM BO3 BORIC ACID HETNAM CL CHLORIDE ION HETNAM ZN ZINC ION HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE HETSYN BMA BETA-D-MANNOSE; D-MANNOSE; MANNOSE HETSYN MAN ALPHA-D-MANNOSE; D-MANNOSE; MANNOSE HETSYN FUC ALPHA-L-FUCOSE; 6-DEOXY-ALPHA-L-GALACTOPYRANOSE; L- HETSYN 2 FUC FUCOSE; FUCOSE HETSYN EDO ETHYLENE GLYCOL FORMUL 1 CSO C3 H7 N O3 S FORMUL 2 NAG 3(C8 H15 N O6) FORMUL 2 BMA C6 H12 O6 FORMUL 2 MAN C6 H12 O6 FORMUL 2 FUC C6 H12 O5 FORMUL 4 IMD C3 H5 N2 1+ FORMUL 5 EDO 2(C2 H6 O2) FORMUL 6 X92 C21 H28 N2 O5 FORMUL 7 PGE C6 H14 O4 FORMUL 9 BO3 2(B H3 O3) FORMUL 11 CL 2(CL 1-) FORMUL 13 ZN ZN 2+ FORMUL 14 HOH *577(H2 O) HELIX 1 AA1 ASP A 40 THR A 71 1 32 HELIX 2 AA2 THR A 74 LYS A 101 1 28 HELIX 3 AA3 PHE A 102 LEU A 107 5 6 HELIX 4 AA4 ASN A 109 GLN A 120 1 12 HELIX 5 AA5 LEU A 122 LEU A 127 5 6 HELIX 6 AA6 PRO A 128 ALA A 149 1 22 HELIX 7 AA7 PRO A 163 SER A 172 1 10 HELIX 8 AA8 LYS A 174 ALA A 189 1 16 HELIX 9 AA9 ALA A 189 LEU A 194 1 6 HELIX 10 AB1 PHE A 196 ASN A 211 1 16 HELIX 11 AB2 ASP A 215 SER A 222 1 8 HELIX 12 AB3 MET A 223 GLU A 225 5 3 HELIX 13 AB4 SER A 228 LEU A 240 1 13 HELIX 14 AB5 LEU A 240 GLY A 260 1 21 HELIX 15 AB6 TRP A 283 ASN A 285 5 3 HELIX 16 AB7 ILE A 286 VAL A 291 1 6 HELIX 17 AB8 ASP A 300 GLN A 308 1 9 HELIX 18 AB9 THR A 311 LEU A 326 1 16 HELIX 19 AC1 PRO A 332 SER A 339 1 8 HELIX 20 AC2 ASN A 374 TYR A 394 1 21 HELIX 21 AC3 PRO A 398 ARG A 402 5 5 HELIX 22 AC4 ASN A 406 SER A 422 1 17 HELIX 23 AC5 THR A 423 LEU A 430 1 8 HELIX 24 AC6 ASP A 440 ILE A 455 1 16 HELIX 25 AC7 ALA A 456 ASP A 473 1 18 HELIX 26 AC8 THR A 477 GLU A 479 5 3 HELIX 27 AC9 ASN A 480 GLY A 494 1 15 HELIX 28 AD1 PHE A 506 LYS A 511 5 6 HELIX 29 AD2 TYR A 520 ALA A 541 1 22 HELIX 30 AD3 PRO A 546 CYS A 550 5 5 HELIX 31 AD4 SER A 555 LEU A 568 1 14 HELIX 32 AD5 PRO A 573 GLY A 583 1 11 HELIX 33 AD6 ALA A 589 GLY A 611 1 23 SHEET 1 AA1 2 THR A 150 CYS A 152 0 SHEET 2 AA1 2 CYS A 158 GLN A 160 -1 O LEU A 159 N VAL A 151 SHEET 1 AA2 2 ILE A 270 PRO A 271 0 SHEET 2 AA2 2 LEU A 495 CSO A 496 1 O CSO A 496 N ILE A 270 SHEET 1 AA3 2 SER A 355 ASP A 358 0 SHEET 2 AA3 2 PHE A 365 LYS A 368 -1 O ARG A 366 N TRP A 357 SSBOND 1 CYS A 152 CYS A 158 1555 1555 2.07 SSBOND 2 CYS A 352 CYS A 370 1555 1555 2.07 SSBOND 3 CYS A 538 CYS A 550 1555 1555 2.03 LINK ND2 ASN A 72 C1 NAG A 701 1555 1555 1.43 LINK ND2 ASN A 109 C1 NAG B 1 1555 1555 1.42 LINK C LEU A 495 N CSO A 496 1555 1555 1.34 LINK C CSO A 496 N PRO A 497 1555 1555 1.35 LINK O4 NAG B 1 C1 NAG B 2 1555 1555 1.39 LINK O6 NAG B 1 C1 FUC B 5 1555 1555 1.41 LINK O4 NAG B 2 C1 BMA B 3 1555 1555 1.40 LINK O3 BMA B 3 C1 MAN B 4 1555 1555 1.40 LINK NE2 HIS A 383 ZN ZN A 711 1555 1555 2.04 LINK NE2 HIS A 387 ZN ZN A 711 1555 1555 1.97 LINK OE1 GLU A 411 ZN ZN A 711 1555 1555 1.98 LINK OAE X92 A 704 ZN ZN A 711 1555 1555 1.95 LINK OAB X92 A 704 ZN ZN A 711 1555 1555 2.67 CISPEP 1 GLU A 162 PRO A 163 0 1.01 CRYST1 56.742 85.685 134.509 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 0.017624 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011671 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007434 0.00000 CONECT 276 4870 CONECT 577 4810 CONECT 929 971 CONECT 971 929 CONECT 2598 2752 CONECT 2752 2598 CONECT 2853 4945 CONECT 2884 4945 CONECT 3082 4945 CONECT 3775 3781 CONECT 3781 3775 3782 CONECT 3782 3781 3783 3785 CONECT 3783 3782 3784 CONECT 3784 3783 3787 CONECT 3785 3782 3786 3788 CONECT 3786 3785 CONECT 3787 3784 CONECT 3788 3785 CONECT 4141 4235 CONECT 4235 4141 CONECT 4810 577 4811 4821 CONECT 4811 4810 4812 4818 CONECT 4812 4811 4813 4819 CONECT 4813 4812 4814 4820 CONECT 4814 4813 4815 4821 CONECT 4815 4814 4822 CONECT 4816 4817 4818 4823 CONECT 4817 4816 CONECT 4818 4811 4816 CONECT 4819 4812 CONECT 4820 4813 4824 CONECT 4821 4810 4814 CONECT 4822 4815 4860 CONECT 4823 4816 CONECT 4824 4820 4825 4835 CONECT 4825 4824 4826 4832 CONECT 4826 4825 4827 4833 CONECT 4827 4826 4828 4834 CONECT 4828 4827 4829 4835 CONECT 4829 4828 4836 CONECT 4830 4831 4832 4837 CONECT 4831 4830 CONECT 4832 4825 4830 CONECT 4833 4826 CONECT 4834 4827 4838 CONECT 4835 4824 4828 CONECT 4836 4829 CONECT 4837 4830 CONECT 4838 4834 4839 4847 CONECT 4839 4838 4840 4844 CONECT 4840 4839 4841 4845 CONECT 4841 4840 4842 4846 CONECT 4842 4841 4843 4847 CONECT 4843 4842 4848 CONECT 4844 4839 CONECT 4845 4840 4849 CONECT 4846 4841 CONECT 4847 4838 4842 CONECT 4848 4843 CONECT 4849 4845 4850 4858 CONECT 4850 4849 4851 4855 CONECT 4851 4850 4852 4856 CONECT 4852 4851 4853 4857 CONECT 4853 4852 4854 4858 CONECT 4854 4853 4859 CONECT 4855 4850 CONECT 4856 4851 CONECT 4857 4852 CONECT 4858 4849 4853 CONECT 4859 4854 CONECT 4860 4822 4861 4869 CONECT 4861 4860 4862 4866 CONECT 4862 4861 4863 4867 CONECT 4863 4862 4864 4868 CONECT 4864 4863 4865 4869 CONECT 4865 4864 CONECT 4866 4861 CONECT 4867 4862 CONECT 4868 4863 CONECT 4869 4860 4864 CONECT 4870 276 4871 4881 CONECT 4871 4870 4872 4878 CONECT 4872 4871 4873 4879 CONECT 4873 4872 4874 4880 CONECT 4874 4873 4875 4881 CONECT 4875 4874 4882 CONECT 4876 4877 4878 4883 CONECT 4877 4876 CONECT 4878 4871 4876 CONECT 4879 4872 CONECT 4880 4873 CONECT 4881 4870 4874 CONECT 4882 4875 CONECT 4883 4876 CONECT 4884 4885 4888 CONECT 4885 4884 4886 CONECT 4886 4885 4887 CONECT 4887 4886 4888 CONECT 4888 4884 4887 CONECT 4889 4890 4891 CONECT 4890 4889 CONECT 4891 4889 4892 CONECT 4892 4891 CONECT 4893 4894 4898 CONECT 4894 4893 4895 CONECT 4895 4894 4896 CONECT 4896 4895 4897 CONECT 4897 4896 4898 CONECT 4898 4893 4897 4899 CONECT 4899 4898 4900 CONECT 4900 4899 4901 CONECT 4901 4900 4902 4905 CONECT 4902 4901 4903 4904 CONECT 4903 4902 4945 CONECT 4904 4902 4945 CONECT 4905 4901 4906 CONECT 4906 4905 4907 4908 CONECT 4907 4906 CONECT 4908 4906 4909 4910 CONECT 4909 4908 CONECT 4910 4908 4911 4917 CONECT 4911 4910 4912 4915 CONECT 4912 4911 4913 CONECT 4913 4912 4914 CONECT 4914 4913 4915 CONECT 4915 4911 4914 4916 CONECT 4916 4915 4917 CONECT 4917 4910 4916 4918 CONECT 4918 4917 4919 4920 CONECT 4919 4918 CONECT 4920 4918 CONECT 4921 4922 4923 CONECT 4922 4921 CONECT 4923 4921 4924 CONECT 4924 4923 4925 CONECT 4925 4924 4926 CONECT 4926 4925 4930 CONECT 4927 4928 CONECT 4928 4927 4929 CONECT 4929 4928 4930 CONECT 4930 4926 4929 CONECT 4931 4932 4933 CONECT 4932 4931 CONECT 4933 4931 4934 CONECT 4934 4933 CONECT 4935 4936 4937 4938 CONECT 4936 4935 CONECT 4937 4935 CONECT 4938 4935 CONECT 4939 4940 4941 4942 CONECT 4940 4939 CONECT 4941 4939 CONECT 4942 4939 CONECT 4945 2853 2884 3082 4903 CONECT 4945 4904 MASTER 394 0 17 33 6 0 0 6 5403 1 155 46 END