HEADER HYDROLASE INHIBITOR 02-MAY-10 3MU7 TITLE CRYSTAL STRUCTURE OF THE XYLANASE AND ALPHA-AMYLASE INHIBITOR PROTEIN TITLE 2 (XAIP-II) FROM SCADOXUS MULTIFLORUS AT 1.2 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: XYLANASE AND ALPHA-AMYLASE INHIBITOR PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: XAIP-II SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SCADOXUS MULTIFLORUS; SOURCE 3 ORGANISM_TAXID: 82246 KEYWDS TIM BARELL, AMYLASE/XYLANASE INHIBITORY PROTEIN, HYDROLASE INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR S.KUMAR,N.SINGH,M.SINHA,P.KAUR,S.SHARMA,T.P.SINGH REVDAT 4 30-OCT-24 3MU7 1 REMARK REVDAT 3 01-NOV-23 3MU7 1 REMARK REVDAT 2 07-SEP-11 3MU7 1 JRNL VERSN REVDAT 1 07-JUL-10 3MU7 0 JRNL AUTH S.KUMAR,N.SINGH,B.MISHRA,D.DUBE,M.SINHA,S.B.SINGH,S.DEY, JRNL AUTH 2 P.KAUR,S.SHARMA,T.P.SINGH JRNL TITL MODULATION OF INHIBITORY ACTIVITY OF XYLANASE-ALPHA-AMYLASE JRNL TITL 2 INHIBITOR PROTEIN (XAIP): BINDING STUDIES AND CRYSTAL JRNL TITL 3 STRUCTURE DETERMINATION OF XAIP-II FROM SCADOXUS MULTIFLORUS JRNL TITL 4 AT 1.2 A RESOLUTION. JRNL REF BMC STRUCT.BIOL. V. 10 41 2010 JRNL REFN ESSN 1472-6807 JRNL PMID 21092126 JRNL DOI 10.1186/1472-6807-10-41 REMARK 2 REMARK 2 RESOLUTION. 1.29 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.29 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.67 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 61161 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.153 REMARK 3 R VALUE (WORKING SET) : 0.153 REMARK 3 FREE R VALUE : 0.171 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1273 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) : 1.29 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.32 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4101 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.23 REMARK 3 BIN R VALUE (WORKING SET) : 0.2780 REMARK 3 BIN FREE R VALUE SET COUNT : 82 REMARK 3 BIN FREE R VALUE : 0.3120 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2085 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 45 REMARK 3 SOLVENT ATOMS : 435 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.93 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.14000 REMARK 3 B22 (A**2) : 0.06000 REMARK 3 B33 (A**2) : 0.17000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.21000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.045 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.046 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.026 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.598 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.975 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): 2209 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2997 ; 1.312 ; 1.959 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 281 ; 8.974 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 96 ;35.545 ;24.896 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 319 ;11.889 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 5 ;17.136 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 309 ; 0.085 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1717 ; 0.007 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): 1373 ; 0.596 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2199 ; 1.122 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 836 ; 1.597 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 795 ; 2.333 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3MU7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 12-MAY-10. REMARK 100 THE DEPOSITION ID IS D_1000058999. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JUL-09 REMARK 200 TEMPERATURE (KELVIN) : 77 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 61161 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.280 REMARK 200 RESOLUTION RANGE LOW (A) : 47.670 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 1.28 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.31 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.0 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 3HU7 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM ACETATE, AMMONIUM REMARK 280 SULPHATE, PH 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 32.19900 REMARK 290 SMTRY3 2 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 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 THR A 232 CA - CB - CG2 ANGL. DEV. = -8.6 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 SER A 2 -79.28 -131.05 REMARK 500 LEU A 83 58.64 -150.41 REMARK 500 HIS A 124 60.69 -104.78 REMARK 500 SER A 131 -128.28 49.14 REMARK 500 ASN A 184 78.73 -171.65 REMARK 500 SER A 192 51.29 38.71 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 GLY A 129 PRO A 130 31.56 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 ASN A 67 -15.44 REMARK 500 ASN A 67 -13.72 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 PEG A 6072 REMARK 610 PEG A 6073 REMARK 610 PEG A 6075 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 274 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 6072 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 6073 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 6071 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 275 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 6075 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 276 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 277 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3HU7 RELATED DB: PDB REMARK 900 STRUCTURAL CHARACTERIZATION AND BINDING STUDIES OF A PLANT REMARK 900 PATHOGENESIS RELATED PROTEIN HEAMANTHIN FROM HAEMANTHUS MULTIFLORUS REMARK 900 REVEAL ITS DUAL INHIBITORY EFFECTS AGAINST XYLANASE AND ALPHA- REMARK 900 AMYLASE REMARK 999 REMARK 999 SEQUENCE REMARK 999 A SEQUENCE DATABASE REFERENCE FOR THIS PROTEIN DOES NOT CURRENTLY REMARK 999 EXIST. DBREF 3MU7 A 1 273 PDB 3MU7 3MU7 1 273 SEQRES 1 A 273 GLY SER LEU ASP ILE ALA VAL TYR TRP GLY GLN SER PHE SEQRES 2 A 273 ASP GLU ARG SER LEU GLU ALA THR CYS ASP SER GLY ASN SEQRES 3 A 273 TYR ALA TYR VAL ILE ILE GLY PHE LEU ASN THR PHE GLY SEQRES 4 A 273 GLY GLY GLN THR PRO ALA LEU ASP ILE SER GLY HIS SER SEQRES 5 A 273 PRO LYS GLY LEU GLU PRO GLN ILE LYS HIS CYS GLN SER SEQRES 6 A 273 LYS ASN VAL LYS VAL LEU LEU SER ILE GLY GLY PRO ALA SEQRES 7 A 273 GLY PRO TYR SER LEU ASP SER ARG ASN ASP ALA ASN ASP SEQRES 8 A 273 LEU ALA VAL TYR LEU HIS LYS ASN PHE LEU LEU PRO PRO SEQRES 9 A 273 ALA GLY THR SER GLU SER ARG PRO PHE GLY ASN ALA VAL SEQRES 10 A 273 LEU ASP GLY ILE ASP PHE HIS ILE GLU HIS GLY GLY PRO SEQRES 11 A 273 SER GLN TYR GLN LEU LEU ALA ASN ILE LEU SER SER PHE SEQRES 12 A 273 ARG LEU SER GLY SER GLU PHE ALA LEU THR ALA ALA PRO SEQRES 13 A 273 GLN CYS VAL TYR PRO ASP PRO ASN LEU GLY THR VAL ILE SEQRES 14 A 273 ASN SER ALA THR PHE ASP ALA ILE TRP VAL GLN PHE TYR SEQRES 15 A 273 ASN ASN PRO GLN CYS SER TYR SER ALA SER ASN ALA SER SEQRES 16 A 273 ALA LEU MET ASN ALA TRP LYS GLU TRP SER MET LYS ALA SEQRES 17 A 273 ARG THR ASP LYS VAL PHE LEU GLY PHE PRO ALA HIS PRO SEQRES 18 A 273 ASP ALA ALA GLY SER GLY TYR MET PRO PRO THR LYS VAL SEQRES 19 A 273 LYS PHE SER VAL PHE PRO ASN ALA GLN ASP SER THR LYS SEQRES 20 A 273 PHE GLY GLY ILE MET LEU TRP ASP SER TYR TRP ASP THR SEQRES 21 A 273 VAL SER GLN PHE SER ASN LYS ILE LEU GLY LYS GLY VAL HET PO4 A 274 5 HET PEG A6072 4 HET PEG A6073 4 HET PEG A6071 7 HET PEG A 275 7 HET PEG A6075 4 HET PEG A 276 7 HET PEG A 277 7 HETNAM PO4 PHOSPHATE ION HETNAM PEG DI(HYDROXYETHYL)ETHER FORMUL 2 PO4 O4 P 3- FORMUL 3 PEG 7(C4 H10 O3) FORMUL 10 HOH *435(H2 O) HELIX 1 1 SER A 17 SER A 24 1 8 HELIX 2 2 GLY A 55 LYS A 66 1 12 HELIX 3 3 SER A 85 LEU A 101 1 17 HELIX 4 4 GLN A 132 LEU A 145 1 14 HELIX 5 5 LEU A 165 SER A 171 1 7 HELIX 6 6 ASN A 184 SER A 188 5 5 HELIX 7 7 ALA A 194 ALA A 208 1 15 HELIX 8 8 HIS A 220 ALA A 224 5 5 HELIX 9 9 PRO A 230 VAL A 238 1 9 HELIX 10 10 VAL A 238 GLN A 243 1 6 HELIX 11 11 ASP A 255 GLN A 263 1 9 HELIX 12 12 GLN A 263 GLY A 270 1 8 SHEET 1 A10 ALA A 45 LEU A 46 0 SHEET 2 A10 TYR A 29 THR A 37 -1 N THR A 37 O ALA A 45 SHEET 3 A10 LYS A 69 GLY A 76 1 O SER A 73 N ILE A 32 SHEET 4 A10 GLY A 120 ILE A 125 1 O ASP A 122 N ILE A 74 SHEET 5 A10 ALA A 151 ALA A 154 1 O THR A 153 N PHE A 123 SHEET 6 A10 ALA A 176 GLN A 180 1 O TRP A 178 N ALA A 154 SHEET 7 A10 VAL A 213 PRO A 218 1 O PHE A 214 N ILE A 177 SHEET 8 A10 PHE A 248 TRP A 254 1 O GLY A 249 N VAL A 213 SHEET 9 A10 ILE A 5 TRP A 9 1 N ALA A 6 O LEU A 253 SHEET 10 A10 TYR A 29 THR A 37 1 O ILE A 31 N VAL A 7 SSBOND 1 CYS A 22 CYS A 63 1555 1555 2.03 SSBOND 2 CYS A 158 CYS A 187 1555 1555 2.03 CISPEP 1 GLY A 33 PHE A 34 0 5.45 CISPEP 2 TYR A 160 PRO A 161 0 -3.50 CISPEP 3 TRP A 254 ASP A 255 0 7.79 SITE 1 AC1 8 HIS A 51 SER A 52 HOH A 361 HOH A 383 SITE 2 AC1 8 HOH A 440 HOH A 463 HOH A 479 HOH A 615 SITE 1 AC2 5 ARG A 86 LEU A 135 ASN A 138 HOH A 410 SITE 2 AC2 5 HOH A 468 SITE 1 AC3 3 SER A 85 ARG A 86 ASN A 87 SITE 1 AC4 3 TYR A 257 TRP A 258 VAL A 261 SITE 1 AC5 5 PRO A 221 ASP A 222 ALA A 224 GLY A 225 SITE 2 AC5 5 HOH A 708 SITE 1 AC6 4 TYR A 95 LYS A 235 HOH A 453 HOH A 608 SITE 1 AC7 8 ASP A 4 TYR A 27 ALA A 28 LYS A 66 SITE 2 AC7 8 ASN A 67 HOH A 338 HOH A 413 HOH A 677 SITE 1 AC8 3 ASP A 244 THR A 246 HOH A 580 CRYST1 42.152 64.398 48.594 90.00 102.10 90.00 P 1 21 1 2 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 0.023724 0.000000 0.005086 0.00000 SCALE2 0.000000 0.015528 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021046 0.00000