Editing CHARMM (section)

{{Infobox software
|name                   = CHARMM
|logo                   = 
|screenshot             = 
|caption                = 
|developer              = [[Martin Karplus]], [[Accelrys]]
|released               = {{Start date and age|1983}}
|latest release version = c47b1
|latest release date    = {{Start date and age|2022|df=yes}}<ref name="versions">{{cite web 
  |url=https://www.academiccharmm.org/program/versions
  |title=Versions - CHARMM
  |website=CHARMM (Chemistry at HARvard Macromolecular Mechanics) 
  |publisher=Harvard University 
  |access-date=2021-03-29
}}</ref>
|latest preview version = c48a1
|latest preview date    = {{Start date and age|2022|df=yes}}<ref name="versions"/>
|programming language   = [[FORTRAN]] 77-95, [[CUDA]]
|operating system       = [[Unix-like]]: [[Linux]], [[macOS]], [[IBM AIX|AIX]], [[iOS]]<ref name="OS+platforms">{{cite web 
  |url=https://www.academiccharmm.org/documentation/installation#Documentation
  |title=Installation 
  |author=<!--Staff writer(s); no by-line.--> 
  |date=2016 
  |website=CHARMM (Chemistry at HARvard Macromolecular Mechanics) 
  |publisher=Harvard University 
  |access-date=2021-03-29
}}</ref>
|platform               = [[x86]], [[ARM architecture|ARM]], [[Nvidia]] [[Graphics processing unit|GPU]]; [[Cray]] [[Cray XT4|XT4]], [[Cray XT5|XT5]]<ref name="OS+platforms" />
|size                   = 
|language               = English
|genre                  = [[Molecular dynamics]]
|license                = [[Proprietary software|Proprietary]]
|website                = {{URL|https://www.academiccharmm.org/}}
}}

'''Chemistry at Harvard Macromolecular Mechanics''' ('''CHARMM''') is the name of a widely used set of [[force field (chemistry)|force field]]s for [[molecular dynamics]], and the name for the molecular dynamics simulation and analysis computer [[software]] package associated with them.<ref name=Brooks1983>{{cite journal |vauthors=Brooks BR, Bruccoleri RE, Olafson BD, States DJ, Swaminathan S, Karplus M |title=CHARMM: A program for macromolecular energy, minimization, and dynamics calculations |journal=J. Comput. Chem. |volume=4 |issue= 2 |pages=187–217 |year=1983 |doi=10.1002/jcc.540040211|s2cid=91559650 }}</ref><ref>{{cite encyclopedia |last=MacKerell |first=A.D. Jr. |last2=Brooks |first2=B. |last3=Brooks |first3=C. L. III |last4=Nilsson |first4=L. |last5=Roux |first5=B. |last6=Won |first6= Y.|last7=Karplus |first7=M. |title=CHARMM: The Energy Function and Its Parameterization with an Overview of the Program |encyclopedia=The Encyclopedia of Computational Chemistry |volume=1 |pages=271–277 |editor=Schleyer, P.v.R. |publisher=John Wiley & Sons |location=Chichester |year=1998|display-editors=etal}}</ref><ref>{{cite journal |vauthors=Brooks BR, Brooks CL 3rd, Mackerell AD Jr, Nilsson L, Petrella RJ, Roux B, Won Y, Archontis G, Bartels C, Boresch S, Caflisch A, Caves L, Cui Q, Dinner AR, Feig M, Fischer S, Gao J, Hodoscek M, Im W, Kuczera K, Lazaridis T, Ma J, Ovchinnikov V, Paci E, Pastor RW, Post CB, Pu JZ, Schaefer M, Tidor B, Venable RM, Woodcock HL, Wu X, Yang W, York DM, Karplus M |title=CHARMM: The biomolecular simulation program |journal=Journal of Computational Chemistry |date=29 July 2009 |volume=30 |issue=10 |pages=1545–1614 |doi=10.1002/jcc.21287 |pmid=19444816 |pmc=2810661}}</ref> The CHARMM Development Project involves a worldwide network of developers working with [[Martin Karplus]] and his group at [[Harvard]] to develop and maintain the CHARMM program. Licenses for this software are available, for a fee, to people and groups working in academia.