HEADER HYDROLASE/HYDROLASE INHIBITOR 16-SEP-98 1BVN TITLE PIG PANCREATIC ALPHA-AMYLASE IN COMPLEX WITH THE TITLE 2 PROTEINACEOUS INHIBITOR TENDAMISTAT COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (ALPHA-AMYLASE); COMPND 3 CHAIN: P; COMPND 4 SYNONYM: 1,4-GLUCAN-4-GLUCANOHYDROLASE, COMPND 5 GLYCOSYLTRANSFERASE; COMPND 6 EC: 3.2.1.1; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: PROTEIN (TENDAMISTAT); COMPND 9 CHAIN: T SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823; SOURCE 5 ORGAN: PANCREAS; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: STREPTOMYCES TENDAE; SOURCE 8 ORGANISM_TAXID: 1932; SOURCE 9 STRAIN: 4158 KEYWDS GLYCOSYLTRANSFERASE, ALPHA-1, 4-GLUCAN-4-GLUCANOHYDROLASE, KEYWDS 2 ALPHA-AMYLASE, PROTEINACEOUS ALPHA-AMYLASE INHIBITOR, KEYWDS 3 HYDROLASE/HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.MACHIUS,G.WIEGAND,O.EPP,R.HUBER REVDAT 3 24-FEB-09 1BVN 1 VERSN REVDAT 2 29-DEC-99 1BVN 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 23-SEP-98 1BVN 0 JRNL AUTH G.WIEGAND,O.EPP,R.HUBER JRNL TITL THE CRYSTAL STRUCTURE OF PORCINE PANCREATIC JRNL TITL 2 ALPHA-AMYLASE IN COMPLEX WITH THE MICROBIAL JRNL TITL 3 INHIBITOR TENDAMISTAT. JRNL REF J.MOL.BIOL. V. 247 99 1995 JRNL REFN ISSN 0022-2836 JRNL PMID 7897663 JRNL DOI 10.1006/JMBI.1994.0125 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.MACHIUS,L.VERTESY,R.HUBER,G.WIEGAND REMARK 1 TITL CARBOHYDRATE AND PROTEIN-BASED INHIBITORS OF REMARK 1 TITL 2 PORCINE PANCREATIC ALPHA-AMYLASE: STRUCTURE REMARK 1 TITL 3 ANALYSIS AND COMPARISON OF THEIR BINDING REMARK 1 TITL 4 CHARACTERISTICS REMARK 1 REF J.MOL.BIOL. V. 260 409 1996 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.QIAN,R.HASER,F.PAYAN REMARK 1 TITL CARBOHYDRATE BINDING SITES IN A PANCREATIC REMARK 1 TITL 2 ALPHA-AMYLASE-SUBSTRATE COMPLEX, DERIVED FROM REMARK 1 TITL 3 X-RAY STRUCTURE ANALYSIS AT 2.1 ANGSTROM RESOLUTION REMARK 1 REF PROTEIN SCI. V. 4 747 1995 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 3 REMARK 1 AUTH S.B.LARSON,A.GREENWOOD,D.CASCIO,J.DAY,A.MCPHERSON REMARK 1 TITL REFINED MOLECULAR STRUCTURE OF PIG PANCREATIC REMARK 1 TITL 2 ALPHA-AMYLASE AT 2.1 A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 235 1560 1994 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 4 REMARK 1 AUTH M.QIAN,R.HASER,G.BUISSON,E.DUEE,F.PAYAN REMARK 1 TITL THE ACTIVE CENTER OF A MAMMALIAN ALPHA-AMYLASE. REMARK 1 TITL 2 STRUCTURE OF THE COMPLEX OF A PANCREATIC REMARK 1 TITL 3 ALPHA-AMYLASE WITH A CARBOHYDRATE INHIBITOR REMARK 1 TITL 4 REFINED TO 2.2-A RESOLUTION REMARK 1 REF BIOCHEMISTRY V. 33 6284 1994 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 5 REMARK 1 AUTH M.QIAN,R.HASER,F.PAYAN REMARK 1 TITL STRUCTURE AND MOLECULAR MODEL REFINEMENT OF PIG REMARK 1 TITL 2 PANCREATIC ALPHA-AMYLASE AT 2.1 A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 231 785 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.40 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 73.7 REMARK 3 NUMBER OF REFLECTIONS : 17259 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : A POSTERIORI REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1889 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.61 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 37.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1059 REMARK 3 BIN R VALUE (WORKING SET) : 0.2500 REMARK 3 BIN FREE R VALUE : 0.3660 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 134 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4443 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 161 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.60 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.49 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.51 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.71 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.500 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.000 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 2.000 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.500 ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : TIP3P.PARAMETER REMARK 3 PARAMETER FILE 3 : PARAMETER.ELEMENTS REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TIP3P.TOPOLOGY REMARK 3 TOPOLOGY FILE 3 : TOPOLOGY.ELEMENTS REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: FINAL RMS COORD. SHIFT 0.0 ANGSTROMS REMARK 4 REMARK 4 1BVN COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-JUL-99. REMARK 100 THE RCSB ID CODE IS RCSB008332. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 275 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NI-FILTER, DOUBLE-FOCUSING REMARK 200 MIRROR SYSTEM REMARK 200 REMARK 200 DETECTOR TYPE : FILM REMARK 200 DETECTOR MANUFACTURER : KODAK REMARK 200 INTENSITY-INTEGRATION SOFTWARE : FILME REMARK 200 DATA SCALING SOFTWARE : PROTEIN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19789 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 29.390 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.3 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : 0.06020 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.61 REMARK 200 COMPLETENESS FOR SHELL (%) : 42.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: MIR REMARK 200 SOFTWARE USED: PROTEIN REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN: 12 MG/ML IN 50 MM TRIS/ REMARK 280 HCL, PH 8.0, MIXED 5:1 WITH 40% (W/V) PEG 1000; RESERVOIR: REMARK 280 0.18-0.20 M SODIUM PHOSPHATE, PH 8.0 HARVESTED IN: 3 M SODIUM REMARK 280 ACETATE, PH 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 239.66667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 119.83333 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 179.75000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 59.91667 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 299.58333 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 239.66667 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 119.83333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 59.91667 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 179.75000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 299.58333 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 APPLY THE FOLLOWING TO CHAINS: P, T 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 ASP T 801 REMARK 465 THR T 802 REMARK 465 THR T 803 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 TYR P 31 -60.81 -131.98 REMARK 500 SER P 55 77.09 86.30 REMARK 500 MET P 102 -150.52 -109.30 REMARK 500 CYS P 103 -169.26 -70.69 REMARK 500 THR P 111 -62.10 52.91 REMARK 500 VAL P 163 38.04 35.44 REMARK 500 LEU P 170 8.19 -60.57 REMARK 500 SER P 270 60.39 39.80 REMARK 500 TRP P 280 144.25 -23.41 REMARK 500 ASP P 290 4.37 -63.97 REMARK 500 ASP P 297 -91.86 -82.39 REMARK 500 ASN P 298 142.75 79.33 REMARK 500 HIS P 305 35.68 -83.02 REMARK 500 ALA P 307 93.05 -67.35 REMARK 500 ALA P 318 -48.57 -21.60 REMARK 500 ARG P 319 -74.46 -56.87 REMARK 500 SER P 341 -166.75 -126.05 REMARK 500 ALA P 345 97.69 -69.75 REMARK 500 ASN P 347 97.63 -166.32 REMARK 500 VAL P 354 -3.29 -59.13 REMARK 500 ASN P 364 69.82 60.56 REMARK 500 THR P 376 -20.85 93.85 REMARK 500 ASP P 402 107.60 -42.93 REMARK 500 ASP P 411 139.78 -171.56 REMARK 500 SER P 414 -102.22 -127.07 REMARK 500 PHE P 419 148.78 -174.81 REMARK 500 SER P 437 119.85 -170.99 REMARK 500 SER P 438 166.71 179.55 REMARK 500 PRO P 486 37.38 -64.71 REMARK 500 ASP T 840 -3.18 87.97 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 ASN P 53 PRO P 54 32.05 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 TYR P 2 0.07 SIDE_CHAIN 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 P2001 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN P 100 OD1 REMARK 620 2 ARG P 158 O 146.7 REMARK 620 3 ASP P 167 OD1 85.6 95.5 REMARK 620 4 ASP P 167 OD2 127.2 74.7 50.2 REMARK 620 5 HIS P 201 O 81.9 71.5 128.9 145.9 REMARK 620 6 HOH P1152 O 94.2 60.5 56.0 83.9 75.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AS REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTICALLY ACTIVE RESIDUES. REMARK 800 SITE_IDENTIFIER: CA REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CALCIUM BINDING SITE. REMARK 800 SITE_IDENTIFIER: CL REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CHLORIDE BINDING SITE. REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA P 2001 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL P 2002 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SEQUENCE DISCREPANCIES ARE DESCRIBED IN THE CITED REMARK 999 REFERENCES REMARK 999 REMARK 999 GLN1: THIS RESIDUE IS REPORTED TO BE PYROGLUTAMATE IN OTHER REMARK 999 STRUCTURES OF PIG PANCREATIC AND SIMILAR ALPHA-AMYLASES. REMARK 999 ALTHOUGH AMINO ACID SEQUENCING INDICATED THAT THE REMARK 999 N-TERMINUS WAS BLOCKED IN THE MATERIAL WHICH WAS USED FOR REMARK 999 CRYSTALLIZATION IN THE PRESENTED STUDY, THE QUALITY OF THE REMARK 999 ELECTRON DENSITY DID NOT ALLOW TO UNAMBIGOUSLY IDENTIFY REMARK 999 THE NATURE OF THIS RESIDUE. DBREF 1BVN P 1 496 UNP P00690 AMYP_PIG 1 496 DBREF 1BVN T 801 874 UNP P01092 IAA_STRTE 31 104 SEQADV 1BVN ASP P 12 UNP P00690 SER 12 CONFLICT SEQADV 1BVN VAL P 49 UNP P00690 ILE 49 CONFLICT SEQADV 1BVN LEU P 196 UNP P00690 ILE 196 CONFLICT SEQADV 1BVN SER P 243 UNP P00690 GLN 243 CONFLICT SEQADV 1BVN SER P 310 UNP P00690 ALA 310 CONFLICT SEQADV 1BVN GLN P 404 UNP P00690 GLU 404 CONFLICT SEQADV 1BVN ASN P 451 UNP P00690 ASP 451 CONFLICT SEQADV 1BVN GLN P 484 UNP P00690 GLU 484 CONFLICT SEQADV 1BVN GLU T 829 UNP P01092 GLN 59 CONFLICT SEQRES 1 P 496 GLN TYR ALA PRO GLN THR GLN SER GLY ARG THR ASP ILE SEQRES 2 P 496 VAL HIS LEU PHE GLU TRP ARG TRP VAL ASP ILE ALA LEU SEQRES 3 P 496 GLU CYS GLU ARG TYR LEU GLY PRO LYS GLY PHE GLY GLY SEQRES 4 P 496 VAL GLN VAL SER PRO PRO ASN GLU ASN VAL VAL VAL THR SEQRES 5 P 496 ASN PRO SER ARG PRO TRP TRP GLU ARG TYR GLN PRO VAL SEQRES 6 P 496 SER TYR LYS LEU CYS THR ARG SER GLY ASN GLU ASN GLU SEQRES 7 P 496 PHE ARG ASP MET VAL THR ARG CYS ASN ASN VAL GLY VAL SEQRES 8 P 496 ARG ILE TYR VAL ASP ALA VAL ILE ASN HIS MET CYS GLY SEQRES 9 P 496 SER GLY ALA ALA ALA GLY THR GLY THR THR CYS GLY SER SEQRES 10 P 496 TYR CYS ASN PRO GLY SER ARG GLU PHE PRO ALA VAL PRO SEQRES 11 P 496 TYR SER ALA TRP ASP PHE ASN ASP GLY LYS CYS LYS THR SEQRES 12 P 496 ALA SER GLY GLY ILE GLU SER TYR ASN ASP PRO TYR GLN SEQRES 13 P 496 VAL ARG ASP CYS GLN LEU VAL GLY LEU LEU ASP LEU ALA SEQRES 14 P 496 LEU GLU LYS ASP TYR VAL ARG SER MET ILE ALA ASP TYR SEQRES 15 P 496 LEU ASN LYS LEU ILE ASP ILE GLY VAL ALA GLY PHE ARG SEQRES 16 P 496 LEU ASP ALA SER LYS HIS MET TRP PRO GLY ASP ILE LYS SEQRES 17 P 496 ALA VAL LEU ASP LYS LEU HIS ASN LEU ASN THR ASN TRP SEQRES 18 P 496 PHE PRO ALA GLY SER ARG PRO PHE ILE PHE GLN GLU VAL SEQRES 19 P 496 ILE ASP LEU GLY GLY GLU ALA ILE SER SER SER GLU TYR SEQRES 20 P 496 PHE GLY ASN GLY ARG VAL THR GLU PHE LYS TYR GLY ALA SEQRES 21 P 496 LYS LEU GLY THR VAL VAL ARG LYS TRP SER GLY GLU LYS SEQRES 22 P 496 MET SER TYR LEU LYS ASN TRP GLY GLU GLY TRP GLY PHE SEQRES 23 P 496 MET PRO SER ASP ARG ALA LEU VAL PHE VAL ASP ASN HIS SEQRES 24 P 496 ASP ASN GLN ARG GLY HIS GLY ALA GLY GLY SER SER ILE SEQRES 25 P 496 LEU THR PHE TRP ASP ALA ARG LEU TYR LYS VAL ALA VAL SEQRES 26 P 496 GLY PHE MET LEU ALA HIS PRO TYR GLY PHE THR ARG VAL SEQRES 27 P 496 MET SER SER TYR ARG TRP ALA ARG ASN PHE VAL ASN GLY SEQRES 28 P 496 GLU ASP VAL ASN ASP TRP ILE GLY PRO PRO ASN ASN ASN SEQRES 29 P 496 GLY VAL ILE LYS GLU VAL THR ILE ASN ALA ASP THR THR SEQRES 30 P 496 CYS GLY ASN ASP TRP VAL CYS GLU HIS ARG TRP ARG GLU SEQRES 31 P 496 ILE ARG ASN MET VAL TRP PHE ARG ASN VAL VAL ASP GLY SEQRES 32 P 496 GLN PRO PHE ALA ASN TRP TRP ASP ASN GLY SER ASN GLN SEQRES 33 P 496 VAL ALA PHE GLY ARG GLY ASN ARG GLY PHE ILE VAL PHE SEQRES 34 P 496 ASN ASN ASP ASP TRP GLN LEU SER SER THR LEU GLN THR SEQRES 35 P 496 GLY LEU PRO GLY GLY THR TYR CYS ASN VAL ILE SER GLY SEQRES 36 P 496 ASP LYS VAL GLY ASN SER CYS THR GLY ILE LYS VAL TYR SEQRES 37 P 496 VAL SER SER ASP GLY THR ALA GLN PHE SER ILE SER ASN SEQRES 38 P 496 SER ALA GLN ASP PRO PHE ILE ALA ILE HIS ALA GLU SER SEQRES 39 P 496 LYS LEU SEQRES 1 T 74 ASP THR THR VAL SER GLU PRO ALA PRO SER CYS VAL THR SEQRES 2 T 74 LEU TYR GLN SER TRP ARG TYR SER GLN ALA ASP ASN GLY SEQRES 3 T 74 CYS ALA GLU THR VAL THR VAL LYS VAL VAL TYR GLU ASP SEQRES 4 T 74 ASP THR GLU GLY LEU CYS TYR ALA VAL ALA PRO GLY GLN SEQRES 5 T 74 ILE THR THR VAL GLY ASP GLY TYR ILE GLY SER HIS GLY SEQRES 6 T 74 HIS ALA ARG TYR LEU ALA ARG CYS LEU HET CA P2001 1 HET CL P2002 1 HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION FORMUL 3 CA CA 2+ FORMUL 4 CL CL 1- FORMUL 5 HOH *161(H2 O) HELIX 1 1 TRP P 21 ARG P 30 1 10 HELIX 2 2 TRP P 58 GLU P 60 5 3 HELIX 3 3 GLU P 76 VAL P 89 1 14 HELIX 4 4 PRO P 121 SER P 123 5 3 HELIX 5 5 ALA P 133 ASP P 135 5 3 HELIX 6 6 PRO P 154 ASP P 159 1 6 HELIX 7 7 ASP P 173 ILE P 189 1 17 HELIX 8 8 SER P 199 HIS P 201 5 3 HELIX 9 9 PRO P 204 LYS P 213 1 10 HELIX 10 10 SER P 244 TYR P 247 5 4 HELIX 11 11 PHE P 256 VAL P 266 1 11 HELIX 12 12 MET P 274 ASN P 279 5 6 HELIX 13 13 GLU P 282 TRP P 284 5 3 HELIX 14 14 SER P 289 ARG P 291 5 3 HELIX 15 15 ASN P 301 ARG P 303 5 3 HELIX 16 16 PHE P 315 ALA P 330 5 16 HELIX 17 17 GLU P 385 ARG P 387 5 3 HELIX 18 18 ARG P 389 VAL P 400 1 12 HELIX 19 19 ALA P 492 SER P 494 5 3 SHEET 1 A 6 THR P 336 SER P 340 0 SHEET 2 A 6 ASP P 12 LEU P 16 1 N ILE P 13 O THR P 336 SHEET 3 A 6 GLY P 39 GLN P 41 1 N GLY P 39 O VAL P 14 SHEET 4 A 6 ARG P 92 ALA P 97 1 N ARG P 92 O VAL P 40 SHEET 5 A 6 GLY P 193 LEU P 196 1 N GLY P 193 O VAL P 95 SHEET 6 A 6 PHE P 229 GLN P 232 1 N PHE P 229 O PHE P 194 SHEET 1 B 3 GLN P 416 ARG P 421 0 SHEET 2 B 3 GLY P 425 ASN P 430 -1 N PHE P 429 O VAL P 417 SHEET 3 B 3 PHE P 487 HIS P 491 -1 N ILE P 490 O PHE P 426 SHEET 1 C 2 LEU P 436 GLN P 441 0 SHEET 2 C 2 THR P 474 ILE P 479 -1 N ILE P 479 O LEU P 436 SHEET 1 D 2 GLY P 447 CYS P 450 0 SHEET 2 D 2 LYS P 466 VAL P 469 -1 N VAL P 469 O GLY P 447 SHEET 1 E 3 VAL T 812 GLN T 816 0 SHEET 2 E 3 TYR T 820 ASN T 825 -1 N ASP T 824 O THR T 813 SHEET 3 E 3 ILE T 853 ASP T 858 -1 N GLY T 857 O SER T 821 SHEET 1 F 3 TYR T 846 VAL T 848 0 SHEET 2 F 3 VAL T 831 TYR T 837 -1 N VAL T 833 O TYR T 846 SHEET 3 F 3 ALA T 867 ARG T 872 -1 N ALA T 871 O LYS T 834 SSBOND 1 CYS P 28 CYS P 86 1555 1555 2.03 SSBOND 2 CYS P 70 CYS P 115 1555 1555 2.03 SSBOND 3 CYS P 141 CYS P 160 1555 1555 2.03 SSBOND 4 CYS P 378 CYS P 384 1555 1555 2.03 SSBOND 5 CYS P 450 CYS P 462 1555 1555 2.03 SSBOND 6 CYS T 811 CYS T 827 1555 1555 2.03 SSBOND 7 CYS T 845 CYS T 873 1555 1555 2.02 LINK OD1 ASN P 100 CA CA P2001 1555 1555 2.69 LINK O ARG P 158 CA CA P2001 1555 1555 2.48 LINK OD1 ASP P 167 CA CA P2001 1555 1555 2.57 LINK OD2 ASP P 167 CA CA P2001 1555 1555 2.63 LINK O HIS P 201 CA CA P2001 1555 1555 2.51 LINK CA CA P2001 O HOH P1152 1555 1555 2.96 CISPEP 1 VAL P 129 PRO P 130 0 -6.43 SITE 1 AS 3 ASP P 197 GLU P 233 ASP P 300 SITE 1 CA 4 ASN P 100 ARG P 158 ASP P 167 HIS P 201 SITE 1 CL 3 ARG P 195 ASN P 298 ARG P 337 SITE 1 AC1 5 ASN P 100 ARG P 158 ASP P 167 HIS P 201 SITE 2 AC1 5 HOH P1152 SITE 1 AC2 2 ARG P 195 ARG P 337 CRYST1 77.700 77.700 359.500 90.00 90.00 120.00 P 65 2 2 12 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 0.012870 0.007430 0.000000 0.00000 SCALE2 0.000000 0.014861 0.000000 0.00000 SCALE3 0.000000 0.000000 0.002782 0.00000