ch4v_histidine.chem:
.br
.cstart

# Example file for 'chem':

# This originates from Computing Science Technical Report No. 122
#   CHEM - A Program for Typesetting Chemical Diagrams: User Manual
#   by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan
#   <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>.

# Copyright (C) 2006-2018 Free Software Foundation, Inc.

# This file is part of 'chem', which is part of 'groff'.

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# published by the Free Software Foundation.

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# The GPL2 license text is available in the internet at
# <http://www.gnu.org/licenses/gpl-2.0.html>.

########################################################################

R1: flatring pointing down put N at 2 put N at 5 double 1,2 3,4
    H right of R1.V5
    bond right from R1.V4 ; CH2
    bond right ; C
    bond up from C ; H
    bond down from C ; NH2
    bond right from C ; CO2H

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.cend
