Representation of JChem Base Query Functions is Marvin JS

This section describes which of the functions that are used in JChem Base queries are available in Marvin JS.

For more information about JChem Base queries, see Query Guide.

JCB Query Feature	Representation in Marvin JS (/)
Atom list
Atom not list
Any atom (A)
Hetero atom (Q)
Hetero atom or hydrogen (QH)
Metal (M)
Metal or hydrogen (MH)
Halogen (X)
Halogen or hydrogen (XH)
Member of group (Gn)
*Star atom ()**
Aromatic (a)
Aliphatic (A)
D<n>1
Total hydrogens (H<n>)
Implicit hydrogens (h<n>)
Rings (R<n>)
Smallest ring size (r<n>)
Ring membership (R)
Valance (v<n>)
Connections (X<n>)
Substitution count (s<n>)
*Substitution as drawn (s)**
Ring bond count (rb<n>)
*Ring bond count as drawn (rb)**
Unsaturated atom (u)
Isotopes
Charges
Radicals
Link nodes (link atoms)2
Repeating units
Undefined R-atoms
SMARTS atoms
Pseudo atoms
Homology groups
Any bond
Single or double
Single or aromatic
Double or aromatic
Ring bond attribute
Chain bond attribute
SMARTS bonds
Coordinate bonds
Multicenter coordinate bonds
Position variation bonds
Ordered and unordered mixtures
Explicit hydrogens
Chemical terms
Attached data
Up
Down
Up or down
Cis or trans
C/T or unspecified
Absolute stereo
MDL's Enhanced Stereo Representation
R-groups
R-group definitions
R-logic
Atom maps
Reacting center on bonds
Reacting center stereo query feature
Monomers
SRU polymers
Co polymers3

¹ Equivalent to s<n>. In Marvin JS, only s<n> is supported.

² Flip (f) cannot be represented in JS.

³ Only the unspecified (co) subtype is available.