// DOQCS :http://doqcs.ncbs.res.in/ // Accession Name = cAMP_pathway // Accession Number = 25 // Pathway Name = AC // Pathway Number = 136 // Transcriber = Upinder S. Bhalla, NCBS // Developer = Upinder S. Bhalla, NCBS // Species = Generic mammalian // Tissue = Brain - Neuronal // Cell Compartment = Cell membrane + Cytosol // Notes = Adenylyl cyclase, also known as adenylate cyclase. There are some ten isoforms, but here I represent only the canonical Gs-stimulated activity. //genesis // kkit Version 11 flat dumpfile // Saved on Fri Dec 9 17:08:32 2005 include kkit {argv 1} FASTDT = 0.001 SIMDT = 0.001 CONTROLDT = 1 PLOTDT = 1 MAXTIME = 300 TRANSIENT_TIME = 2 VARIABLE_DT_FLAG = 0 DEFAULT_VOL = 1.6667e-21 VERSION = 11.0 setfield /file/modpath value /home2/bhalla/scripts/modules kparms //genesis initdump -version 3 -ignoreorphans 1 simobjdump doqcsinfo filename accessname accesstype transcriber developer \ citation species tissue cellcompartment methodology sources \ model_implementation model_validation x y z simobjdump table input output alloced step_mode stepsize x y z simobjdump xtree path script namemode sizescale simobjdump xcoredraw xmin xmax ymin ymax simobjdump xtext editable simobjdump xgraph xmin xmax ymin ymax overlay simobjdump xplot pixflags script fg ysquish do_slope wy simobjdump group xtree_fg_req xtree_textfg_req plotfield expanded movealone \ link savename file version md5sum mod_save_flag x y z simobjdump geometry size dim shape outside xtree_fg_req xtree_textfg_req x y \ z simobjdump kpool DiffConst CoInit Co n nInit mwt nMin vol slave_enable \ geomname xtree_fg_req xtree_textfg_req x y z simobjdump kreac kf kb notes xtree_fg_req xtree_textfg_req x y z simobjdump kenz CoComplexInit CoComplex nComplexInit nComplex vol k1 k2 k3 \ keepconc usecomplex notes xtree_fg_req xtree_textfg_req link x y z simobjdump stim level1 width1 delay1 level2 width2 delay2 baselevel trig_time \ trig_mode notes xtree_fg_req xtree_textfg_req is_running x y z simobjdump xtab input output alloced step_mode stepsize notes editfunc \ xtree_fg_req xtree_textfg_req baselevel last_x last_y is_running x y z simobjdump kchan perm gmax Vm is_active use_nernst notes xtree_fg_req \ xtree_textfg_req x y z simobjdump transport input output alloced step_mode stepsize dt delay clock \ kf xtree_fg_req xtree_textfg_req x y z simobjdump proto x y z simundump geometry /kinetics/geometry 0 1e-15 3 sphere "" white black 6 -11 0 simundump group /kinetics/AC 1 blue blue x 0 0 "" defaultfile defaultfile.g 0 \ 0 0 1.1996 -16.551 0 simundump kpool /kinetics/AC/ATP 1 0 5000 5000 3e+09 3e+09 0 0 6e+05 4 \ /kinetics/geometry red blue 2.767 -14.295 0 simundump kpool /kinetics/AC/AMP 1 0 1000 1000 6e+08 6e+08 0 0 6e+05 4 \ /kinetics/geometry pink blue -0.03125 -14.261 0 simundump kpool /kinetics/AC/cAMP-PDE 1 0 0.5 0.5 3e+05 3e+05 0 0 6e+05 0 \ /kinetics/geometry green blue -2.4541 -14.124 0 simundump kenz /kinetics/AC/cAMP-PDE/PDE 1 0 0 0 0 6e+05 4.2e-06 40 10 0 0 "" \ red green "" -2.4562 -15.532 0 simundump kpool /kinetics/AC/cAMP-PDE* 1 0 0 0 0 0 0 0 6e+05 0 \ /kinetics/geometry green blue -2.0655 -19.04 0 simundump kenz /kinetics/AC/cAMP-PDE*/PDE* 1 0 0 0 0 6e+05 8.4e-06 80 20 0 0 \ "" red green "" -2.0446 -17.996 0 simundump kreac /kinetics/AC/dephosph-PDE 1 0.1 0 "" white blue -5.5595 \ -15.426 0 simundump kpool /kinetics/AC/Gs.AC 1 0 0 0 0 0 0 0 6e+05 0 /kinetics/geometry \ yellow blue 3.4153 -19.161 0 simundump kenz /kinetics/AC/Gs.AC/cyclase 1 0 0 0 0 6e+05 7.5e-06 72 18 0 1 \ "" red yellow "" 3.3364 -18.153 0 simundump kpool /kinetics/AC/AC 1 0 0.015 0.015 9000 9000 0 0 6e+05 0 \ /kinetics/geometry yellow blue 6.1795 -19.161 0 simundump kreac /kinetics/AC/Gs-bind-AC 1 0.00083333 1 "" white blue 5.0694 \ -17.217 0 simundump kpool /kinetics/cAMP 1 0 0 0 0 0 0 0 6e+05 2 /kinetics/geometry \ green black 0.78774 -19.024 0 simundump kpool /kinetics/PKA-active 1 0 0 0 0 0 0 0 6e+05 0 \ /kinetics/geometry yellow black -5.3888 -19.058 0 simundump kenz /kinetics/PKA-active/phosph-PDE 1 0 0 0 0 6e+05 1e-05 36 9 0 0 \ "" red yellow "" -5.7447 -17.569 0 simundump kpool /kinetics/GTP.Ga 1 0 0 0 0 0 0 0 6e+05 2 /kinetics/geometry \ red black 5 -13 0 simundump doqcsinfo /kinetics/doqcsinfo 0 pdb136.g AC pathway \ "Upinder S. Bhalla, NCBS" "Upinder S. Bhalla, NCBS" "citation here" \ "Generic Mammalian" "Brain - Neuronal" "Cell membrane + Cytosol" \ "Quantitative match to experiments, Quallitative" \ "Bhalla US Methods Enzymol. 2002;345:3-23 ( Peer-reviewed publication )" \ "Exact GENESIS implementation" "Approximates original data " 4 -11 0 simundump xgraph /graphs/conc1 0 0 300 0 4.7805 0 simundump xgraph /graphs/conc2 0 0 300 0 1 0 simundump xgraph /moregraphs/conc3 0 0 300 0 1 0 simundump xgraph /moregraphs/conc4 0 0 300 0 1 0 simundump xcoredraw /edit/draw 0 -7.7447 8.1795 -21.161 -6 simundump xtree /edit/draw/tree 0 \ /kinetics/#[],/kinetics/#[]/#[],/kinetics/#[]/#[]/#[][TYPE!=proto],/kinetics/#[]/#[]/#[][TYPE!=linkinfo]/##[] \ "edit_elm.D ; drag_from_edit.w " auto 0.6 simundump xtext /file/notes 0 1 xtextload /file/notes \ "Based on ac20.g. Cleaned up a bit" \ "and did some renaming." addmsg /kinetics/AC/Gs.AC/cyclase /kinetics/AC/ATP REAC sA B addmsg /kinetics/AC/cAMP-PDE*/PDE* /kinetics/AC/AMP MM_PRD pA addmsg /kinetics/AC/cAMP-PDE/PDE /kinetics/AC/AMP MM_PRD pA addmsg /kinetics/AC/cAMP-PDE/PDE /kinetics/AC/cAMP-PDE REAC eA B addmsg /kinetics/AC/dephosph-PDE /kinetics/AC/cAMP-PDE REAC B A addmsg /kinetics/PKA-active/phosph-PDE /kinetics/AC/cAMP-PDE REAC sA B addmsg /kinetics/AC/cAMP-PDE /kinetics/AC/cAMP-PDE/PDE ENZYME n addmsg /kinetics/cAMP /kinetics/AC/cAMP-PDE/PDE SUBSTRATE n addmsg /kinetics/AC/cAMP-PDE*/PDE* /kinetics/AC/cAMP-PDE* REAC eA B addmsg /kinetics/AC/dephosph-PDE /kinetics/AC/cAMP-PDE* REAC A B addmsg /kinetics/PKA-active/phosph-PDE /kinetics/AC/cAMP-PDE* MM_PRD pA addmsg /kinetics/AC/cAMP-PDE* /kinetics/AC/cAMP-PDE*/PDE* ENZYME n addmsg /kinetics/cAMP /kinetics/AC/cAMP-PDE*/PDE* SUBSTRATE n addmsg /kinetics/AC/cAMP-PDE* /kinetics/AC/dephosph-PDE SUBSTRATE n addmsg /kinetics/AC/cAMP-PDE /kinetics/AC/dephosph-PDE PRODUCT n addmsg /kinetics/AC/Gs-bind-AC /kinetics/AC/Gs.AC REAC B A addmsg /kinetics/AC/Gs.AC /kinetics/AC/Gs.AC/cyclase ENZYME n addmsg /kinetics/AC/ATP /kinetics/AC/Gs.AC/cyclase SUBSTRATE n addmsg /kinetics/AC/Gs-bind-AC /kinetics/AC/AC REAC A B addmsg /kinetics/AC/AC /kinetics/AC/Gs-bind-AC SUBSTRATE n addmsg /kinetics/AC/Gs.AC /kinetics/AC/Gs-bind-AC PRODUCT n addmsg /kinetics/GTP.Ga /kinetics/AC/Gs-bind-AC SUBSTRATE n addmsg /kinetics/AC/Gs.AC/cyclase /kinetics/cAMP MM_PRD pA addmsg /kinetics/AC/cAMP-PDE*/PDE* /kinetics/cAMP REAC sA B addmsg /kinetics/AC/cAMP-PDE/PDE /kinetics/cAMP REAC sA B addmsg /kinetics/PKA-active/phosph-PDE /kinetics/PKA-active REAC eA B addmsg /kinetics/PKA-active /kinetics/PKA-active/phosph-PDE ENZYME n addmsg /kinetics/AC/cAMP-PDE /kinetics/PKA-active/phosph-PDE SUBSTRATE n addmsg /kinetics/AC/Gs-bind-AC /kinetics/GTP.Ga REAC A B enddump // End of dump call /kinetics/AC/ATP/notes LOAD \ "ATP is present in all cells between 2 and 10 mM. " \ "See Lehninger. It is assumed buffered since the" \ "metabolic activity will take care of its levels." call /kinetics/AC/AMP/notes LOAD \ "Assumed buffered to 1 mM. Value is irrelevant" \ "to simulation." call /kinetics/AC/cAMP-PDE/notes LOAD \ "The levels of the PDE are not known at this time. However," \ "enough" \ "kinetic info and info about steady-state levels of cAMP" \ "etc are around" \ "to make it possible to estimate this at about 0.5 uM." call /kinetics/AC/cAMP-PDE/PDE/notes LOAD \ "Best rates are from Conti et al Biochem 34 7979-7987 1995." \ "Though these" \ "are for the Sertoli cell form, it looks like they carry" \ "nicely into" \ "alternatively spliced brain form. See Sette et al" \ "JBC 269:28 18271-18274" \ "Km ~2 uM, Vmax est ~ 10 umol/min/mg for pure form." \ "Brain protein is 93 kD but this was 67." \ "So k3 ~10, k2 ~40, k1 ~4.2e-6" call /kinetics/AC/cAMP-PDE*/notes LOAD \ "This form has about 2X activity as plain PDE. See Sette et al JBC 269:28" \ "18271-18274 1994." call /kinetics/AC/cAMP-PDE*/PDE*/notes LOAD \ "This form has about twice the activity of the unphosphorylated form. See" \ "Sette et al JBC 269:28 18271-18274 1994." \ "We'll ignore cGMP effects for now." call /kinetics/AC/dephosph-PDE/notes LOAD \ "The rates for this are poorly constrained. In adipocytes (probably a" \ "different PDE) the dephosphorylation is complete within 15 min, but" \ "there are no intermediate time points so it could be much faster. Identity" \ "of phosphatase etc is still unknown." call /kinetics/AC/Gs.AC/notes LOAD \ "This is the active form of the cyclase." \ "" call /kinetics/AC/Gs.AC/cyclase/notes LOAD \ "See Feinstein et al PNAS 88:10173-10177," \ "Jacobowitz et al JBC 286(6):3829-3832" \ "Smigel, JBC 261(4):1976-1982 (1986)" call /kinetics/AC/AC/notes LOAD \ "AC is present at rather low levels. Here we use" \ "0.015 uM which is meant to lump various isoforms." \ "None of the isoforms nor the other specific regulators" \ "are included here." \ "Jacobowitz, PhD thesis." call /kinetics/AC/Gs-bind-AC/notes LOAD \ "Half-max at around 3nM = kb/kf from fig 5 in " \ "Feinstein et al PNAS USA 88 10173-10177 1991" \ "kf = kb/1800 = 5.56e-4 kb" \ "Ofer Jacobowitz thesis (Mount Sinai 1995) data indicates" \ "it is more like 2 nM." \ "" call /kinetics/cAMP/notes LOAD \ "Key second messenger." call /kinetics/PKA-active/phosph-PDE/notes LOAD \ "See Bramson et al CRC crit rev Biochem 15:2 93-124." \ "The rates there are for peptide substrates and too fast." \ "Scaled down by a factor of 3 as per" \ "Cohen et al FEBS Lett 76:182-86 (1977)." call /kinetics/doqcsinfo/notes LOAD \ " Adenylyl cyclase, also known as adenylate cyclase. There are some ten isoforms, but here I represent only the canonical Gs-stimulated activity." complete_loading