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Molecule Parameter List for sGCslow

The statistics table lists the distribution of a molecule acting either as a substrate, product, enzyme or as a molecule within the network. The text color of a molecule is highlighted by color.

Statistics

sGCslow participated as	Molecule	Sum total of	Enzyme	Substrate of an enzyme	Product of an enzyme	Substrate in Reaction	Product in Reaction
No. of occurrences	1	0	0	0	0	1	0

Accession and Pathway Details

Accession Name	Accession No.	Accession Type	Pathway Link
sGC_Stone_ Marletta	15	Pathway	sGC
This features the two step binding of NO to soluble Guanylyl Cyclase as proposed by Stone JR, Marletta MA. Biochemistry (1996) 35(4):1093-9. There is a fast step binding scheme and a slow step binding scheme. The difference lies in the binding of a NO to a non-heme site on sGC, which may not necessarily be the same site of binding during the initial binding. The rates have been directly used from their models

sGCslow acting as a Molecule in  sGC_Stone_Marletta Network

Name	Accession Name	Pathway Name	Initial Conc. (uM)	Volume (fL)	Buffered
sGCslow	sGC_Stone_ Marletta Accession No. : 15	sGC Pathway No. : 69	3	0.0016667	No
This is the slow reaction process of the binding of NO to sGC. we can notice the binding of another NO in the third reaction step to a non-heme site, which then converts to the 5-coordinate complex. this binding of another NO to an non-heme site is characteristic of the slow binding process of NO to sGC.(Stone and Marletta, 1996,35(4);1093-1099) Concentration 3 uM assumed on the basis of reported data (Kuroda et al., J.Neurosci., 2001, 21(15): 5693-5702 ; Ariano et al., PNAS, 1982, 79:1316-1320.)

sGCslow acting as a Substrate in a reaction in  sGC_Stone_Marletta Network

Kd is calculated only for second order reactions, like nA+nB <->nC or nA<->nC+nD, where n is number and A,B,C,D are molecules, where as for first order reactions Keq is calculated. Kd for higher order reaction are not consider.

Name	Accession Name	Pathway Name	Kf	Kb	Kd	tau	Reagents
NO_bind_sGCslow	sGC_Stone_ Marletta Accession No. : 15	sGC Pathway No. : 69	700 (uM^-1 s^-1)	800 (s^-1)	Kd(bf) = 1.1429(uM)	-	Substrate NO sGCslow Product NO.sGCslow
This is the slow binding of NO to sGC, as reported by Stone and Marletta,1996, Biochemistry, 35(4):1093-1099.The rates shown have been used directly from their data from stopped flow kinetics.