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北京石油化工学院2026年研究生招生接收调剂公告
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cfmzxf84

木虫 (正式写手)

[求助] 求助AMBER的能量分解和氢键分析in文件

求助,做小分子和蛋白的能量分解和氢键分析,看了官网的教程,但是一直做不对。求知道的同学发两个in文件学习下参数。
主要目的:小分子与残基结合能分解;小分子与残基氢键分析
谢谢
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lujunyan1118

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【答案】应助回帖

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cfmzxf84: 金币+10, ★★★很有帮助, 谢谢,我先看着,不懂请教您 2012-08-20 17:07:24
MM-PBSA的  input file
&general
  endframe=500, interval=1, verbose=1
/
#&gb
#  igb=5, saltcon=0.100
#/
&pb
  istrng=0
/
&decomp
idecomp=2, dec_verbose=3,
print_res='1-15,36-44,64,88-95,158-161,176-199'  (这个是你要分解的残基)

ptraj氢键扫描的脚本:
#############################################################################
#--This H-bonding analysis script is created based on one script available
#--on the wed targeting h-bond formation of protein and DNA, first, whose
#--original writer should be appreciated !
#--
#--This enhanced script modified by me is able to capture all the donors &
#--acceptors of standard residues from protein-protein, protein-DNA as well
#--as protein and RNA in principle.
#--
#--Usage:
#--For protein-RNA: Actually, this script is exactly applicable to pro-RNA!
#--For protein-DNA: Please comment corresponding lines related to 2'OH in
#                   RNA, also,remember to substitute DG for DG (for instance)
#--For protein-protein: Just need to comment all the line regarding DNA/RNA.
#--
#--Some issues are inevitable even though I have checked it many times.Please
#--feel free to contact me in either following ways for useful discussion:
#--E-mail: vip_zzc@emails.bjut.edu.cn
#--    QQ: 350 2826 89
#--                                        Written by Zhicheng Zuo, 5/3/2011
#############################################################################



######### laod trajectory ############
######################################
trajin 1abc.mdcrd/mdcrd.gz/binpos
trajin etc.
trajin etc.

######################################
#-- Donors from amino acids sidechains
######################################
donor mask :GLN@OE1
donor mask :GLN@NE2
donor mask :ASN@OD1
donor mask :ASN@ND2
donor mask :TYR@OH
donor mask :ASP@OD1
donor mask :ASP@OD2
donor mask :GLU@OE1
donor mask :GLU@OE2
donor mask :SER@OG
donor mask :THR@OG1
donor mask :HIS@ND1
donor mask :HIE@ND1
donor mask :HID@NE2
######################################
#-- Donors from nucleotides: DNA/RNA         
######################################
###### DC/DC #######
donor mask :DC@P
donor mask :DC@O1P
donor mask :DC@O2P
donor mask :DC@O5'
donor mask :DC@O4'
donor mask :DC@N1
donor mask :DC@N4
donor mask :DC@N3
donor mask :DC@O2
donor mask :DC@O2'
donor mask :DC@O3'
###### DG/DG #######
donor mask :DG@P
donor mask :DG@O1P
donor mask :DG@O2P
donor mask :DG@O5'
donor mask :DG@O4'
donor mask :DG@N9
donor mask :DG@N7
donor mask :DG@O6
donor mask :DG@N1
donor mask :DG@N2
donor mask :DG@N3
donor mask :DG@O2'
donor mask :DG@O3'
###### DU/DT #######
donor mask :DU@P
donor mask :DU@O1P
donor mask :DU@O2P
donor mask :DU@O5'
donor mask :DU@O4'
donor mask :DU@N1
donor mask :DU@O4
donor mask :DU@N3
donor mask :DU@O2
donor mask :DU@O2'
donor mask :DU@O3'
###### DA/DA #######
donor mask :DA@P
donor mask :DA@O1P
donor mask :DA@O2P
donor mask :DA@O5'
donor mask :DA@O4'
donor mask :DA@N9
donor mask :DA@N7
donor mask :DA@N6
donor mask :DA@N1
donor mask :DA@N3
donor mask :DA@O2'
donor mask :DA@O3'




#######################################
#--Acceptors from animo acid sidechains
#######################################
acceptor mask  :ASN@ND2 :ASN@HD21
acceptor mask  :ASN@ND2 :ASN@HD22
acceptor mask  :TYR@OH  :TYR@HH
acceptor mask  :GLN@NE2 :GLN@HE21
acceptor mask  :GLN@NE2 :GLN@HE22
acceptor mask  :TRP@NE1 :TRP@HE1
acceptor mask  :LYS@NZ  :LYS@HZ1
acceptor mask  :LYS@NZ  :LYS@HZ2
acceptor mask  :LYS@NZ  :LYS@HZ3
acceptor mask  :SER@OG  :SER@HG
acceptor mask  :THR@OG1 :THR@HG1
acceptor mask  :ADG@NH2 :ADG@HH21
acceptor mask  :ADG@NH2 :ADG@HH22
acceptor mask  :ADG@NH1 :ADG@HH11
acceptor mask  :ADG@NH1 :ADG@HH12
acceptor mask  :ADG@NE  :ADG@HE
acceptor mask  :HIS@NE2 :HIS@HE2
acceptor mask  :HIE@NE2 :HIE@HE2
acceptor mask  :HID@ND1 :HID@HD1
acceptor mask  :HIP@ND1,NE2 :HIP@HE2,HD1

#######################################
#--Acceptors from nucleotides
#######################################
acceptor mask  :DC@N4   :DC@H41
acceptor mask  :DC@N4   :DC@H42
acceptor mask  :DC@O2'  :DC@HO'2

acceptor mask  :DG@N1   :DG@H1
acceptor mask  :DG@N2   :DG@H21
acceptor mask  :DG@N2   :DG@H22
acceptor mask  :DG@O2'  :DG@HO'2

acceptor mask  :DU@N3   :DU@H3
acceptor mask  :DU@O2'  :DU@HO'2

acceptor mask  :DA@N6   :DA@H61
acceptor mask  :DA@N6   :DA@H62
acceptor mask  :DA@O2'  :DA@HO'2


#############################################################################################
##-- NOTE: Pay particular attention to hydrogen associoted with 2'-OH in RNA, the "mask name"
##--       must always be HO'2 other than HO2' or others , otherwise, it cannot be recognized.
#############################################################################################

###########################################################
#-- Backbone donors and acceptors for amino acid sidechains
#   N-H for prolines do not exist so are not in the mask
###########################################################
donor mask @O

#############################################
#-Terminal residues have different atom names
#############################################
donor mask @OXT
acceptor mask :1@N :1@H1
acceptor mask :1@N :1@H2
acceptor mask :1@N :1@H3

############################################################################################
#--Specify distance and angle cutoff of H-bond, in this case, set to 3.5 and 120 repectively.
#--To print out information related to time series, keyword "series" is to be included.
############################################################################################
hbond distance 3.5 angle 120 print .05 series hbt

############################################################################################
#--In addition, water or/and ions interacting with a particular donor or acceptor can be also
#--keeped track of. Refer to documentation of hydrogen bonding facility in AmberTools manual!
############################################################################################
hbond distance 3.5 angle 120 solventneighbor 6 solventdonor WAT O solventacceptor WAT O H1 solventacceptor WAT O H2
hbond distance 3.5 angle 120 solventneighbor 6 solventdonor Na+ Na+ solventacceptor Na+ Na+ Na+
hbond distance 3.5 angle 120 solventneighbor 6 solventdonor Cl- Cl- solventacceptor Cl- Cl- Cl-
2楼2012-08-20 12:30:11
已阅   关注TA 给TA发消息 送TA红花 TA的回帖

lujunyan1118

金虫 (小有名气)

不明白的可以留言问哦
3楼2012-08-20 12:30:58
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