HEADER TRANSFERASE 04-MAY-26 13FW TITLE 273 K STRUCTURE OF HUMAN SPERMIDINE SYNTHASE IN COMPLEX WITH 5-DEOXY- TITLE 2 5-METHYLTHIOADENOSINE AND PUTRESCINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPERMIDINE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: SPDSY,PUTRESCINE AMINOPROPYLTRANSFERASE; COMPND 5 EC: 2.5.1.16; 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: SRM, SPS1, SRML1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS POLYAMINES, BIOSYNTHESIS, METABOLIC, ENZYME, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR O.O.FAGBOHUN,M.A.CANFIELD,J.A.CLINGER REVDAT 1 14-OCT-26 13FW 0 JRNL AUTH O.O.FAGBOHUN,M.A.CANFIELD,J.A.CLINGER JRNL TITL PUTRESCINE-BOUND STRUCTURE AND MULTI-TEMPERATURE JRNL TITL 2 CRYSTALLOGRAPHY PROVIDE NEW INSIGHTS INTO LIGAND BINDING AND JRNL TITL 3 CONFORMATIONAL HETEROGENEITY IN SPERMIDINE SYNTHASE. JRNL REF STRUCT DYN. V. 13 54701 2026 JRNL REFN ESSN 2329-7778 JRNL PMID 42808128 JRNL DOI 10.1063/4.0001217 REMARK 2 REMARK 2 RESOLUTION. 1.98 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21.2_5419 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.98 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 54.36 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 36179 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.176 REMARK 3 R VALUE (WORKING SET) : 0.174 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.090 REMARK 3 FREE R VALUE TEST SET COUNT : 1941 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 54.3600 - 4.7700 0.91 2566 120 0.1762 0.1877 REMARK 3 2 4.7700 - 3.7900 0.93 2554 140 0.1275 0.1748 REMARK 3 3 3.7900 - 3.3100 0.96 2617 163 0.1433 0.1925 REMARK 3 4 3.3100 - 3.0100 0.97 2614 135 0.1593 0.2147 REMARK 3 5 3.0100 - 2.7900 0.97 2648 128 0.1660 0.2444 REMARK 3 6 2.7900 - 2.6300 0.95 2578 155 0.1728 0.2242 REMARK 3 7 2.6300 - 2.4900 0.91 2442 157 0.1819 0.2300 REMARK 3 8 2.4900 - 2.3900 0.96 2576 157 0.1734 0.2342 REMARK 3 9 2.3900 - 2.2900 0.95 2564 146 0.1917 0.2359 REMARK 3 10 2.2900 - 2.2200 0.96 2592 139 0.1986 0.2875 REMARK 3 11 2.2100 - 2.1500 0.96 2618 119 0.2016 0.2567 REMARK 3 12 2.1500 - 2.0800 0.96 2622 114 0.2197 0.2467 REMARK 3 13 2.0800 - 2.0300 0.96 2586 146 0.2435 0.2956 REMARK 3 14 2.0300 - 1.9800 0.96 2602 122 0.2630 0.3134 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.213 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.297 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.25 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 : 0.005 4633 REMARK 3 ANGLE : 0.677 6287 REMARK 3 CHIRALITY : 0.048 695 REMARK 3 PLANARITY : 0.006 810 REMARK 3 DIHEDRAL : 17.074 1737 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ( CHAIN A AND ( RESID 15:299 OR RESID 501:502 OR REMARK 3 RESID 602:770 ) ) OR ( CHAIN B AND RESID 622:723 ) REMARK 3 ORIGIN FOR THE GROUP (A): -3.069 60.057 13.433 REMARK 3 T TENSOR REMARK 3 T11: 0.1760 T22: 0.1119 REMARK 3 T33: 0.0931 T12: -0.0223 REMARK 3 T13: 0.0050 T23: -0.0011 REMARK 3 L TENSOR REMARK 3 L11: 0.8192 L22: 1.3141 REMARK 3 L33: 0.6218 L12: -0.5797 REMARK 3 L13: -0.2655 L23: 0.0088 REMARK 3 S TENSOR REMARK 3 S11: 0.0720 S12: 0.0376 S13: 0.0909 REMARK 3 S21: -0.1113 S22: -0.0071 S23: -0.0848 REMARK 3 S31: -0.1205 S32: 0.0314 S33: -0.0601 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: ( CHAIN B AND RESID 15:299 ) REMARK 3 ORIGIN FOR THE GROUP (A): 4.254 35.168 32.941 REMARK 3 T TENSOR REMARK 3 T11: 0.1079 T22: 0.0960 REMARK 3 T33: 0.0776 T12: 0.0027 REMARK 3 T13: -0.0086 T23: -0.0100 REMARK 3 L TENSOR REMARK 3 L11: 0.8419 L22: 1.4103 REMARK 3 L33: 0.4801 L12: 0.4032 REMARK 3 L13: 0.0518 L23: -0.2480 REMARK 3 S TENSOR REMARK 3 S11: 0.0012 S12: 0.0191 S13: -0.0967 REMARK 3 S21: -0.0547 S22: 0.0219 S23: -0.0971 REMARK 3 S31: 0.0270 S32: 0.0331 S33: -0.0213 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 13FW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-MAY-26. REMARK 100 THE DEPOSITION ID IS D_1000307679. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-DEC-25 REMARK 200 TEMPERATURE (KELVIN) : 273 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL12-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97946 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38154 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.980 REMARK 200 RESOLUTION RANGE LOW (A) : 54.360 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.3 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.17900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.98 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.03 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : 1.17100 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: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: PLATE-LIKE CRYSTALS REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.05-0.225 M SODIUM SULFATE, 0.1 M BIS REMARK 280 -TRIS PH 5.5, 6.5-23% PEG 3350, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 294K 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 30.63250 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20500 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 KCAL/MOL 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 MET A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 HIS A -9 REMARK 465 HIS A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 GLU A -5 REMARK 465 ASN A -4 REMARK 465 LEU A -3 REMARK 465 TYR A -2 REMARK 465 PHE A -1 REMARK 465 GLN A 0 REMARK 465 GLY A 1 REMARK 465 GLU A 2 REMARK 465 PRO A 3 REMARK 465 GLY A 4 REMARK 465 PRO A 5 REMARK 465 ASP A 6 REMARK 465 GLY A 7 REMARK 465 PRO A 8 REMARK 465 ALA A 9 REMARK 465 ALA A 10 REMARK 465 SER A 11 REMARK 465 GLY A 12 REMARK 465 PRO A 13 REMARK 465 ALA A 14 REMARK 465 ASP A 300 REMARK 465 VAL A 301 REMARK 465 SER A 302 REMARK 465 MET B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 HIS B -9 REMARK 465 HIS B -8 REMARK 465 HIS B -7 REMARK 465 HIS B -6 REMARK 465 GLU B -5 REMARK 465 ASN B -4 REMARK 465 LEU B -3 REMARK 465 TYR B -2 REMARK 465 PHE B -1 REMARK 465 GLN B 0 REMARK 465 GLY B 1 REMARK 465 GLU B 2 REMARK 465 PRO B 3 REMARK 465 GLY B 4 REMARK 465 PRO B 5 REMARK 465 ASP B 6 REMARK 465 GLY B 7 REMARK 465 PRO B 8 REMARK 465 ALA B 9 REMARK 465 ALA B 10 REMARK 465 SER B 11 REMARK 465 GLY B 12 REMARK 465 PRO B 13 REMARK 465 ALA B 14 REMARK 465 ASP B 300 REMARK 465 VAL B 301 REMARK 465 SER B 302 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 ARG A 17 CD NE CZ NH1 NH2 REMARK 470 GLU A 18 CG CD OE1 OE2 REMARK 470 ARG A 44 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 45 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 47 CD NE CZ NH1 NH2 REMARK 470 LYS A 96 CD CE NZ REMARK 470 GLU A 187 CG CD OE1 OE2 REMARK 470 GLN A 260 CD OE1 NE2 REMARK 470 GLN A 268 CG CD OE1 NE2 REMARK 470 ARG B 44 CG CD NE CZ NH1 NH2 REMARK 470 GLN B 164 CG CD OE1 NE2 REMARK 470 LYS B 186 CG CD CE NZ REMARK 470 GLU B 187 CG CD OE1 OE2 REMARK 470 GLN B 222 CD OE1 NE2 REMARK 470 GLN B 264 CG CD OE1 NE2 REMARK 470 GLN B 273 CG CD OE1 NE2 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 CYS A 25 137.00 -174.74 REMARK 500 ASN A 93 73.55 -159.29 REMARK 500 SER A 175 -169.68 -72.70 REMARK 500 PRO A 177 87.88 -64.17 REMARK 500 MET A 178 144.83 -179.57 REMARK 500 GLU A 208 -172.50 69.65 REMARK 500 TYR A 278 -54.45 -135.64 REMARK 500 ASN B 93 70.77 -158.54 REMARK 500 SER B 175 -166.61 -73.57 REMARK 500 PRO B 177 84.09 -68.32 REMARK 500 MET B 178 147.09 -176.87 REMARK 500 GLU B 208 -176.43 64.98 REMARK 500 ILE B 238 112.70 -162.23 REMARK 500 TYR B 278 -56.76 -130.74 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 A 783 DISTANCE = 6.73 ANGSTROMS REMARK 525 HOH A 784 DISTANCE = 6.76 ANGSTROMS REMARK 525 HOH A 785 DISTANCE = 7.20 ANGSTROMS REMARK 525 HOH A 786 DISTANCE = 7.49 ANGSTROMS REMARK 525 HOH A 787 DISTANCE = 7.83 ANGSTROMS REMARK 525 HOH A 788 DISTANCE = 8.42 ANGSTROMS REMARK 525 HOH A 789 DISTANCE = 8.81 ANGSTROMS REMARK 525 HOH A 790 DISTANCE = 10.16 ANGSTROMS REMARK 525 HOH A 791 DISTANCE = 22.11 ANGSTROMS REMARK 525 HOH B 806 DISTANCE = 5.95 ANGSTROMS REMARK 525 HOH B 807 DISTANCE = 6.41 ANGSTROMS REMARK 525 HOH B 808 DISTANCE = 7.10 ANGSTROMS REMARK 525 HOH B 809 DISTANCE = 9.26 ANGSTROMS REMARK 525 HOH B 810 DISTANCE = 9.51 ANGSTROMS REMARK 525 HOH B 811 DISTANCE = 10.00 ANGSTROMS REMARK 525 HOH B 812 DISTANCE = 10.02 ANGSTROMS REMARK 525 HOH B 813 DISTANCE = 11.55 ANGSTROMS REMARK 525 HOH B 814 DISTANCE = 13.83 ANGSTROMS REMARK 525 HOH B 815 DISTANCE = 16.12 ANGSTROMS REMARK 525 HOH B 816 DISTANCE = 18.27 ANGSTROMS REMARK 525 HOH B 817 DISTANCE = 21.48 ANGSTROMS REMARK 525 HOH B 818 DISTANCE = 21.49 ANGSTROMS REMARK 525 HOH B 819 DISTANCE = 24.40 ANGSTROMS REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 13FV RELATED DB: PDB REMARK 900 100 K STRUCTURE OF HUMAN SPERMIDINE SYNTHASE IN COMPLEX WITH 5- REMARK 900 DEOXY-5-METHYLTHIOADENOSINE AND PUTRESCINE REMARK 900 RELATED ID: 13FX RELATED DB: PDB REMARK 900 293 K STRUCTURE OF HUMAN SPERMIDINE SYNTHASE IN COMPLEX WITH 5- REMARK 900 DEOXY-5-METHYLTHIOADENOSINE AND PUTRESCINE REMARK 900 RELATED ID: 13HN RELATED DB: PDB REMARK 900 HUMAN SPERMIDINE SYNTHASE IN COMPLEX WITH PUTRESCINE DBREF 13FW A 2 302 UNP P19623 SPEE_HUMAN 2 302 DBREF 13FW B 2 302 UNP P19623 SPEE_HUMAN 2 302 SEQADV 13FW MET A -12 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS A -11 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS A -10 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS A -9 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS A -8 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS A -7 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS A -6 UNP P19623 EXPRESSION TAG SEQADV 13FW GLU A -5 UNP P19623 EXPRESSION TAG SEQADV 13FW ASN A -4 UNP P19623 EXPRESSION TAG SEQADV 13FW LEU A -3 UNP P19623 EXPRESSION TAG SEQADV 13FW TYR A -2 UNP P19623 EXPRESSION TAG SEQADV 13FW PHE A -1 UNP P19623 EXPRESSION TAG SEQADV 13FW GLN A 0 UNP P19623 EXPRESSION TAG SEQADV 13FW GLY A 1 UNP P19623 EXPRESSION TAG SEQADV 13FW MET B -12 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS B -11 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS B -10 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS B -9 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS B -8 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS B -7 UNP P19623 EXPRESSION TAG SEQADV 13FW HIS B -6 UNP P19623 EXPRESSION TAG SEQADV 13FW GLU B -5 UNP P19623 EXPRESSION TAG SEQADV 13FW ASN B -4 UNP P19623 EXPRESSION TAG SEQADV 13FW LEU B -3 UNP P19623 EXPRESSION TAG SEQADV 13FW TYR B -2 UNP P19623 EXPRESSION TAG SEQADV 13FW PHE B -1 UNP P19623 EXPRESSION TAG SEQADV 13FW GLN B 0 UNP P19623 EXPRESSION TAG SEQADV 13FW GLY B 1 UNP P19623 EXPRESSION TAG SEQRES 1 A 315 MET HIS HIS HIS HIS HIS HIS GLU ASN LEU TYR PHE GLN SEQRES 2 A 315 GLY GLU PRO GLY PRO ASP GLY PRO ALA ALA SER GLY PRO SEQRES 3 A 315 ALA ALA ILE ARG GLU GLY TRP PHE ARG GLU THR CYS SER SEQRES 4 A 315 LEU TRP PRO GLY GLN ALA LEU SER LEU GLN VAL GLU GLN SEQRES 5 A 315 LEU LEU HIS HIS ARG ARG SER ARG TYR GLN ASP ILE LEU SEQRES 6 A 315 VAL PHE ARG SER LYS THR TYR GLY ASN VAL LEU VAL LEU SEQRES 7 A 315 ASP GLY VAL ILE GLN CYS THR GLU ARG ASP GLU PHE SER SEQRES 8 A 315 TYR GLN GLU MET ILE ALA ASN LEU PRO LEU CYS SER HIS SEQRES 9 A 315 PRO ASN PRO ARG LYS VAL LEU ILE ILE GLY GLY GLY ASP SEQRES 10 A 315 GLY GLY VAL LEU ARG GLU VAL VAL LYS HIS PRO SER VAL SEQRES 11 A 315 GLU SER VAL VAL GLN CYS GLU ILE ASP GLU ASP VAL ILE SEQRES 12 A 315 GLN VAL SER LYS LYS PHE LEU PRO GLY MET ALA ILE GLY SEQRES 13 A 315 TYR SER SER SER LYS LEU THR LEU HIS VAL GLY ASP GLY SEQRES 14 A 315 PHE GLU PHE MET LYS GLN ASN GLN ASP ALA PHE ASP VAL SEQRES 15 A 315 ILE ILE THR ASP SER SER ASP PRO MET GLY PRO ALA GLU SEQRES 16 A 315 SER LEU PHE LYS GLU SER TYR TYR GLN LEU MET LYS THR SEQRES 17 A 315 ALA LEU LYS GLU ASP GLY VAL LEU CYS CYS GLN GLY GLU SEQRES 18 A 315 CYS GLN TRP LEU HIS LEU ASP LEU ILE LYS GLU MET ARG SEQRES 19 A 315 GLN PHE CYS GLN SER LEU PHE PRO VAL VAL ALA TYR ALA SEQRES 20 A 315 TYR CYS THR ILE PRO THR TYR PRO SER GLY GLN ILE GLY SEQRES 21 A 315 PHE MET LEU CYS SER LYS ASN PRO SER THR ASN PHE GLN SEQRES 22 A 315 GLU PRO VAL GLN PRO LEU THR GLN GLN GLN VAL ALA GLN SEQRES 23 A 315 MET GLN LEU LYS TYR TYR ASN SER ASP VAL HIS ARG ALA SEQRES 24 A 315 ALA PHE VAL LEU PRO GLU PHE ALA ARG LYS ALA LEU ASN SEQRES 25 A 315 ASP VAL SER SEQRES 1 B 315 MET HIS HIS HIS HIS HIS HIS GLU ASN LEU TYR PHE GLN SEQRES 2 B 315 GLY GLU PRO GLY PRO ASP GLY PRO ALA ALA SER GLY PRO SEQRES 3 B 315 ALA ALA ILE ARG GLU GLY TRP PHE ARG GLU THR CYS SER SEQRES 4 B 315 LEU TRP PRO GLY GLN ALA LEU SER LEU GLN VAL GLU GLN SEQRES 5 B 315 LEU LEU HIS HIS ARG ARG SER ARG TYR GLN ASP ILE LEU SEQRES 6 B 315 VAL PHE ARG SER LYS THR TYR GLY ASN VAL LEU VAL LEU SEQRES 7 B 315 ASP GLY VAL ILE GLN CYS THR GLU ARG ASP GLU PHE SER SEQRES 8 B 315 TYR GLN GLU MET ILE ALA ASN LEU PRO LEU CYS SER HIS SEQRES 9 B 315 PRO ASN PRO ARG LYS VAL LEU ILE ILE GLY GLY GLY ASP SEQRES 10 B 315 GLY GLY VAL LEU ARG GLU VAL VAL LYS HIS PRO SER VAL SEQRES 11 B 315 GLU SER VAL VAL GLN CYS GLU ILE ASP GLU ASP VAL ILE SEQRES 12 B 315 GLN VAL SER LYS LYS PHE LEU PRO GLY MET ALA ILE GLY SEQRES 13 B 315 TYR SER SER SER LYS LEU THR LEU HIS VAL GLY ASP GLY SEQRES 14 B 315 PHE GLU PHE MET LYS GLN ASN GLN ASP ALA PHE ASP VAL SEQRES 15 B 315 ILE ILE THR ASP SER SER ASP PRO MET GLY PRO ALA GLU SEQRES 16 B 315 SER LEU PHE LYS GLU SER TYR TYR GLN LEU MET LYS THR SEQRES 17 B 315 ALA LEU LYS GLU ASP GLY VAL LEU CYS CYS GLN GLY GLU SEQRES 18 B 315 CYS GLN TRP LEU HIS LEU ASP LEU ILE LYS GLU MET ARG SEQRES 19 B 315 GLN PHE CYS GLN SER LEU PHE PRO VAL VAL ALA TYR ALA SEQRES 20 B 315 TYR CYS THR ILE PRO THR TYR PRO SER GLY GLN ILE GLY SEQRES 21 B 315 PHE MET LEU CYS SER LYS ASN PRO SER THR ASN PHE GLN SEQRES 22 B 315 GLU PRO VAL GLN PRO LEU THR GLN GLN GLN VAL ALA GLN SEQRES 23 B 315 MET GLN LEU LYS TYR TYR ASN SER ASP VAL HIS ARG ALA SEQRES 24 B 315 ALA PHE VAL LEU PRO GLU PHE ALA ARG LYS ALA LEU ASN SEQRES 25 B 315 ASP VAL SER HET MTA A 501 35 HET PUT A 502 18 HET MTA B 501 35 HET PUT B 502 18 HETNAM MTA 5'-DEOXY-5'-METHYLTHIOADENOSINE HETNAM PUT 1,4-DIAMINOBUTANE HETSYN PUT PUTRESCINE FORMUL 3 MTA 2(C11 H15 N5 O3 S) FORMUL 4 PUT 2(C4 H12 N2) FORMUL 7 HOH *410(H2 O) HELIX 1 AA1 ASP A 75 CYS A 89 1 15 HELIX 2 AA2 GLY A 105 VAL A 112 1 8 HELIX 3 AA3 ASP A 126 LEU A 137 1 12 HELIX 4 AA4 LEU A 137 ILE A 142 1 6 HELIX 5 AA5 GLY A 143 SER A 146 5 4 HELIX 6 AA6 ASP A 155 LYS A 161 1 7 HELIX 7 AA7 MET A 178 PHE A 185 5 8 HELIX 8 AA8 LYS A 186 ALA A 196 1 11 HELIX 9 AA9 HIS A 213 PHE A 228 1 16 HELIX 10 AB1 TYR A 241 SER A 243 5 3 HELIX 11 AB2 THR A 267 MET A 274 1 8 HELIX 12 AB3 ASN A 280 ALA A 287 1 8 HELIX 13 AB4 PRO A 291 LEU A 298 1 8 HELIX 14 AB5 ASP B 75 CYS B 89 1 15 HELIX 15 AB6 GLY B 105 VAL B 112 1 8 HELIX 16 AB7 ASP B 126 LEU B 137 1 12 HELIX 17 AB8 LEU B 137 ILE B 142 1 6 HELIX 18 AB9 GLY B 143 SER B 146 5 4 HELIX 19 AC1 ASP B 155 LYS B 161 1 7 HELIX 20 AC2 MET B 178 PHE B 185 5 8 HELIX 21 AC3 LYS B 186 ALA B 196 1 11 HELIX 22 AC4 HIS B 213 PHE B 228 1 16 HELIX 23 AC5 TYR B 241 SER B 243 5 3 HELIX 24 AC6 THR B 267 MET B 274 1 8 HELIX 25 AC7 ASN B 280 ALA B 287 1 8 HELIX 26 AC8 PRO B 291 ASN B 299 1 9 SHEET 1 AA1 6 ILE A 16 ARG A 17 0 SHEET 2 AA1 6 TRP A 20 GLU A 23 -1 O TRP A 20 N ARG A 17 SHEET 3 AA1 6 GLN A 31 ARG A 45 -1 O LEU A 33 N GLU A 23 SHEET 4 AA1 6 GLN B 31 ARG B 45 -1 O ALA B 32 N SER A 34 SHEET 5 AA1 6 TRP B 20 GLU B 23 -1 N GLU B 23 O LEU B 33 SHEET 6 AA1 6 ILE B 16 ARG B 17 -1 N ARG B 17 O TRP B 20 SHEET 1 AA2 8 VAL A 68 THR A 72 0 SHEET 2 AA2 8 ASN A 61 LEU A 65 -1 N LEU A 63 O GLN A 70 SHEET 3 AA2 8 ASP A 50 SER A 56 -1 N LEU A 52 O VAL A 64 SHEET 4 AA2 8 GLN A 31 ARG A 45 -1 N GLN A 39 O ARG A 55 SHEET 5 AA2 8 GLN B 31 ARG B 45 -1 O ALA B 32 N SER A 34 SHEET 6 AA2 8 ASP B 50 SER B 56 -1 O VAL B 53 N HIS B 42 SHEET 7 AA2 8 ASN B 61 LEU B 65 -1 O VAL B 64 N LEU B 52 SHEET 8 AA2 8 VAL B 68 THR B 72 -1 O GLN B 70 N LEU B 63 SHEET 1 AA3 7 LEU A 149 VAL A 153 0 SHEET 2 AA3 7 SER A 119 GLU A 124 1 N GLN A 122 O HIS A 152 SHEET 3 AA3 7 LYS A 96 GLY A 101 1 N ILE A 99 O CYS A 123 SHEET 4 AA3 7 PHE A 167 ASP A 173 1 O ILE A 171 N LEU A 98 SHEET 5 AA3 7 LEU A 197 GLU A 208 1 O LYS A 198 N PHE A 167 SHEET 6 AA3 7 GLN A 245 SER A 252 -1 O MET A 249 N CYS A 205 SHEET 7 AA3 7 VAL A 230 THR A 237 -1 N ALA A 232 O LEU A 250 SHEET 1 AA4 7 LEU B 149 VAL B 153 0 SHEET 2 AA4 7 SER B 119 GLU B 124 1 N GLN B 122 O HIS B 152 SHEET 3 AA4 7 LYS B 96 GLY B 101 1 N ILE B 99 O VAL B 121 SHEET 4 AA4 7 PHE B 167 ASP B 173 1 O ILE B 171 N ILE B 100 SHEET 5 AA4 7 LEU B 197 GLU B 208 1 O LYS B 198 N PHE B 167 SHEET 6 AA4 7 GLN B 245 SER B 252 -1 O MET B 249 N CYS B 205 SHEET 7 AA4 7 VAL B 230 THR B 237 -1 N ALA B 232 O LEU B 250 CRYST1 57.332 61.265 87.239 90.00 108.51 90.00 P 1 21 1 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 0.017442 0.000000 0.005841 0.00000 SCALE2 0.000000 0.016323 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012088 0.00000 CONECT 8839 8840 8859 8860 8861 CONECT 8840 8839 8841 CONECT 8841 8840 8842 8862 8863 CONECT 8842 8841 8843 8846 8864 CONECT 8843 8842 8848 CONECT 8844 8845 8846 8848 8865 CONECT 8845 8844 8866 CONECT 8846 8842 8844 8847 8867 CONECT 8847 8846 8868 CONECT 8848 8843 8844 8849 8869 CONECT 8849 8848 8850 8858 CONECT 8850 8849 8851 8870 CONECT 8851 8850 8852 CONECT 8852 8851 8853 8858 CONECT 8853 8852 8854 8855 CONECT 8854 8853 8871 8872 CONECT 8855 8853 8856 CONECT 8856 8855 8857 8873 CONECT 8857 8856 8858 CONECT 8858 8849 8852 8857 CONECT 8859 8839 CONECT 8860 8839 CONECT 8861 8839 CONECT 8862 8841 CONECT 8863 8841 CONECT 8864 8842 CONECT 8865 8844 CONECT 8866 8845 CONECT 8867 8846 CONECT 8868 8847 CONECT 8869 8848 CONECT 8870 8850 CONECT 8871 8854 CONECT 8872 8854 CONECT 8873 8856 CONECT 8874 8875 8880 8881 CONECT 8875 8874 8876 8882 8883 CONECT 8876 8875 8877 8884 8885 CONECT 8877 8876 8878 8886 8887 CONECT 8878 8877 8879 8888 8889 CONECT 8879 8878 8890 8891 CONECT 8880 8874 CONECT 8881 8874 CONECT 8882 8875 CONECT 8883 8875 CONECT 8884 8876 CONECT 8885 8876 CONECT 8886 8877 CONECT 8887 8877 CONECT 8888 8878 CONECT 8889 8878 CONECT 8890 8879 CONECT 8891 8879 CONECT 8892 8893 8912 8913 8914 CONECT 8893 8892 8894 CONECT 8894 8893 8895 8915 8916 CONECT 8895 8894 8896 8899 8917 CONECT 8896 8895 8901 CONECT 8897 8898 8899 8901 8918 CONECT 8898 8897 8919 CONECT 8899 8895 8897 8900 8920 CONECT 8900 8899 8921 CONECT 8901 8896 8897 8902 8922 CONECT 8902 8901 8903 8911 CONECT 8903 8902 8904 8923 CONECT 8904 8903 8905 CONECT 8905 8904 8906 8911 CONECT 8906 8905 8907 8908 CONECT 8907 8906 8924 8925 CONECT 8908 8906 8909 CONECT 8909 8908 8910 8926 CONECT 8910 8909 8911 CONECT 8911 8902 8905 8910 CONECT 8912 8892 CONECT 8913 8892 CONECT 8914 8892 CONECT 8915 8894 CONECT 8916 8894 CONECT 8917 8895 CONECT 8918 8897 CONECT 8919 8898 CONECT 8920 8899 CONECT 8921 8900 CONECT 8922 8901 CONECT 8923 8903 CONECT 8924 8907 CONECT 8925 8907 CONECT 8926 8909 CONECT 8927 8928 8933 8934 CONECT 8928 8927 8929 8935 8936 CONECT 8929 8928 8930 8937 8938 CONECT 8930 8929 8931 8939 8940 CONECT 8931 8930 8932 8941 8942 CONECT 8932 8931 8943 8944 CONECT 8933 8927 CONECT 8934 8927 CONECT 8935 8928 CONECT 8936 8928 CONECT 8937 8929 CONECT 8938 8929 CONECT 8939 8930 CONECT 8940 8930 CONECT 8941 8931 CONECT 8942 8931 CONECT 8943 8932 CONECT 8944 8932 MASTER 394 0 4 26 28 0 0 6 4923 2 106 50 END