Dictyostelium discoideum (cellular slime mold): DDB_G0271052
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Entry
DDB_G0271052 CDS
T00245
Name
(RefSeq) CHR group protein
KO
K11647
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily A member 2/4 [EC:5.6.2.-]
Organism
ddi
Dictyostelium discoideum (cellular slime mold)
Pathway
ddi03082
ATP-dependent chromatin remodeling
Brite
KEGG Orthology (KO) [BR:
ddi00001
]
09120 Genetic Information Processing
09126 Chromosome
03082 ATP-dependent chromatin remodeling
DDB_G0271052
09180 Brite Hierarchies
09182 Protein families: genetic information processing
03021 Transcription machinery [BR:
ddi03021
]
DDB_G0271052
03036 Chromosome and associated proteins [BR:
ddi03036
]
DDB_G0271052
Transcription machinery [BR:
ddi03021
]
Eukaryotic type
RNA polymerase II system
Coactivators
BAF/PBAF complex
DDB_G0271052
Chromosome and associated proteins [BR:
ddi03036
]
Eukaryotic type
Histone modification proteins
HDAC complexes
REST complex
DDB_G0271052
Chromatin remodeling factors
BAF complex
DDB_G0271052
PBAF complex
DDB_G0271052
GBAF(ncBAF) complex
DDB_G0271052
BRITE hierarchy
SSDB
Ortholog
Paralog
Gene cluster
GFIT
Motif
Pfam:
SNF2-rel_dom
Helicase_C
Motif
Other DBs
NCBI-GeneID:
8617621
NCBI-ProteinID:
XP_646649
dictyBase:
DDB_G0271052
UniProt:
Q55C32
LinkDB
All DBs
Position
1:complement(4502537..4512340)
Genome browser
AA seq
3247 aa
AA seq
DB search
MNITGDMQHQHDQSFINNNNNNNSGDNNNNNNNNNNIVGTPITTNNTTGGSSVSNNSNGG
GNATEEKPKPSYNMPLSIEQQIQNQMMQSQQYQQAQQQHQAQQQAQQHAQQQQQLQQQQQ
QQQQQQQQQQQQQQQQQHQQQHQQQQLQQQQQQHHHQQQQNINTPPMNINSPNINKSAPQ
QQQQQYHLLLQQQQQQQQLLQQQQQQQQLQQQQLQQQQLQQQQAQLQQQQAQQQQAQQQQ
QQQQQAQQAQQQQQQQQQQQQQQHQQTNMMQQQQQQQVPTKNQHVEVYVVSVFHYFYYYQ
RYLDNLQTNGTDISEPNYQSCINFLKNPQPFSSLNQQELDLYNKILRQHNILVQRKLAMV
QQQQQQQQQQQQQQQQPQQQQHQPQTQQQQQQQQQQQQSPQQQPQQFLQPQQQYHQHHQQ
HQQHQHQQQPQQQQPQIQQQQQQAAYEAQLKQQQMKHQQQQHLQHQQNMNVTSPNMTSPN
IPSTQQLMQQQLLLQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQHQQQHQHQQNQQFQQP
QHQHFNQNQNQNQNQNQNQNQNQNQNQNQNQNQNQNQNQNQNQNQQQMKAQQPQPIQQKL
LAPPAFFFTQEQLDVIRAQVYAYKCFMQRKPITEEYYGILQLAHPSTFINQSSPSVVQMN
TNNSNVNNNNNNNSNSNMNNNNMNSNNNSNMNNNMNNNNGVNNMNNNMNNNNTNNNSNNN
NMNHNNMNNNNGMNNNMNNNNNNNNNMNNNTNSNINSNNNSGNSTNNSANISNNNGNIGN
NNINNISYNNNNSNNNSNNNNNSNNNSNNNNNSSGNSNSNSNNNSNSNNNNNNNNNNNNS
NTSGNNNNNNNNNNNIYNNIASLNQQYQMMQQQLQQIQAPPGQTLNQQQLIQQQMLHQKL
LQQQRLIQHQQSQLLQQPQAQQTYQQTQPQTQQTQQTQPQTQQTYQQPQAQQTYQQTQQA
QQTQQTQPQTQQQTQPQPQSQVQPEQQQQQTQAQQPQPQQIQQPQHQQSQQQSENLQQQQ
PEHLQQQQQQQQEHLQQPENLQPQPQQQSQQQPEQVQSSEQTQSMQAQQQPEQNQPQQQS
EQITQQQQSQQDPQQINQQPNAVPSLVTTPTSINTPAALVSTVVIPTQVIAVSSVSTTTP
TNGGVIATPTNGGIIATQPMVVSQIQPTQQQQQQQIINQTPVVEPEPPSIPIDPLKSLPM
ETLIPKPMDIEFMLECKRNLVSQLISDKLEYLYESIPTLEDGTIEKLQETIQYKQLSLLE
YQKQLRREVLDAEISKSKLKKSKDLKQKLDQQQSNEEKNRFKDFLGQILNHSKEFKEYHA
NKMTKIKKMTKRVTAYFILQEKKEQQQREREERERLRALKTNDESKYLKLLEQTKNQRLR
ELFDQTNEFLDKISHLLQKEKISIQEKEENEEAIRRQQDQLLLQQKEKEGEEDAKQSEKI
SIMNITNDVDIDTDGNTTNRDLSNNSKSPLVRSSNPISNLLNGKDDDDDDDNDDNNQMLD
DNNNNNNSNYNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNDNGNKPKVSINNQGGYGDDE
DDIGLNDNKDDEKITNDNTTTTTSASSNTDVIMKNDSGQHTDKNSKEIQEKKDNDNKDQS
KATTIDGDDNSSNIKVDDKSISTTTTETSTAPPPPPPPPTTTTTTTTTTTSTATGQTNPT
YVSKAHSYYSKAHSIQEDIIEQPALLEGGKLKPYQMQGLQWMVSLYNNKLNGILADEMGL
GKTIQTIALVSYLIEVKKNNGPFLVVVPLSTLSNWGQEFSKWAPKVKRVLYYGDKPARKS
KFEEFIAPGQFNAVVTTYEYIIKDKNALSKIKWNYLIVDEGHRMKNYTSKLSIILGTSYS
SRYRLLLTGTPLQNSLPELWALLNFLLPTIFDCVEDFEQWFNAPFAQTGEKIEMNEEEQL
LIIQRLHKVLRPFLLRRLKKEVEAQLPDKVEKVLKCDMSAFQAKMYDLIKTKGVSKLASS
GGADGNPKLAKGLKNTYVQLRKICNHPYLFYDDEYNIDDNLIRYAGKFDLLDRLLPKLKA
AGHRVLIFSQMTQLINILEVFFAYKDYKFLRLDGSTKSDERGHLLELFNAPNSEYFIFVL
STRAGGLGLNLQTADTVIIFDSDWNPQMDLQAQDRAHRIGQKQTVRVLRLVTAHSVEESI
LARANFKKELDKKIIQAGQFNNKSNRSDRKKMLEDLMTQDETAEMEKQTVPTDSQINEMI
ARSPEEFELYENMDKERMEIDQKKWDEAGKKGEAKRLSQEDEIPSWITKEVELGDDLSFV
LNQSIKPGSSKKSLDLENELQIRKILESGKIKRKTANNNAMISEFFDDDDDGSSSSSSDS
DSDFESKPTPKRTTTSDKPKSSKESNNRKEKKNTKEKLKDKDTNGLDDDDDDNNSNNNNN
NDDYDNNNVSVVATTPSRTNKRKELESNYSDEEDDDDDADEEDEEDEDFQRPVRSKKRAK
VAASKKPSASSKKQEKEKKANSNGGGGGGGGGDDSSNSNPSTPLTPSSSSSSSITAQPPL
PSPSPVKKAGRGRPAGTMKKKISENEQKYLQIWDAIRADQDEEGRKRSDIFVKLPSKRDY
PDYYITIKEPIDMKTIKERIVGAKFSNPLSFAASVNSMFYNAQIYNQSGSEVFEDAVYLQ
NLFTELFNKLFPNNQLPKPEPPLSPTSLAIQQATVKDQIVKDQLDISEHQDKSNSADQSS
TTSTIEQSQPTITQQSPQQQPQQQPQPQQQQQQQQQQQQQQQQKPQQQQAIQSPNVDKNN
STTTTTSTKLLNNSKGNHNNNSLSPPASPCNLSQNNNISNNNNNINNNNNNINNNNENHQ
QSQNPNQTPQKSKSSSSKSSKGGDRDRDRDRDRDRERQKESKEGRERDRERSRDQKEHHS
RESNRSDHHHHNSNNNNNNSNININNNNNNMNNNNNNMINNNNNNNNMNNMNNMNNNNNN
NNSNNNNNNNNNNNMNNNNNNNMNNNNNNNNNNSNNNNTNNNNQRDHSGKDHHREHKEHR
SSNHKEHRERHRENREHRGDRENRENRENRENREHREHRDNRPNRDNREFRDYSSNSSGN
NNNNNMISNFNNINNNNNSNTNLNNINNGGGKRYDPMSLSNLTNDDEPNPQPTFVTRPQQ
QPQQQQPQQQQQPQQQQQPQQQQQQPQQQQQQQQQQQQQQQQQQQQQQPQLQQLHHKSNH
NNYNNNNYNSNHNNNNQYQHHSYQQQQHQQRHQPNKKQRFNPLDDDDPSDSSFGELDEDE
RDEDYDN
NT seq
9744 nt
NT seq
+upstream
nt +downstream
nt
atgaacattactggtgatatgcaacatcaacatgatcaatcttttataaataataataat
aataataatagcggagataataataataataataataacaataataatatagttggaaca
cctataaccacaaataacactactggtggcagtagtgttagtaataatagtaatggtggg
ggtaatgcaacagaggagaaacccaaaccttcttacaatatgccattatcgattgaacaa
caaattcagaaccaaatgatgcaatcacaacaatatcaacaggctcaacaacaacaccaa
gctcaacaacaagctcagcaacatgcacaacaacaacaacaattacaacaacaacaacaa
caacaacaacaacaacaacaacaacaacaacaacaacaacaacaacaacaacatcaacaa
caacatcaacaacaacaattacaacaacaacaacaacaacaccatcatcaacaacaacaa
aatataaatacaccaccaatgaatataaattcaccgaatataaataaatctgcgccacaa
caacagcaacaacaatatcatctacttttacaacaacagcaacaacaacaacaactatta
cagcaacaacaacaacagcaacaacttcaacaacagcaacttcaacaacaacaacttcaa
caacaacaagctcaacttcaacaacaacaagctcaacaacaacaagctcaacaacaacaa
caacaacaacaacaagctcaacaagctcaacaacaacaacaacaacaacaacaacaacaa
caacaacaacatcaacaaacaaatatgatgcaacaacaacaacaacaacaagttcctaca
aaaaaccaacatgttgaagtctatgttgtaagtgtttttcattatttttattattaccaa
aggtatttagataatttacaaaccaatggaacagatatctcagaacctaattatcaaagt
tgtataaattttttaaagaacccacagccattttcttctttaaatcagcaagagttggat
ctctataataaaatccttcgacaacataatattttagtgcaaagaaaattggcaatggta
caacaacagcagcaacaacaacaacaacaacaacaacaacaacaacaaccgcaacaacaa
caacatcaaccacaaacacaacagcaacaacaacaacaacaacaacaacaacaatcacca
caacaacaaccacaacaatttttacaaccacaacaacaataccatcaacatcatcaacaa
catcaacaacatcaacatcaacaacaacctcaacaacaacaaccccaaatccaacaacaa
cagcaacaagcagcatacgaggctcaattgaaacagcaacaaatgaagcatcaacaacag
caacatttacaacatcaacaaaatatgaatgtaacctcaccaaatatgacatcacccaac
attccatctacacaacaattgatgcaacaacaattacttttacaacaacaacaacagcaa
cagcaacagcaacaacagcaacagcaacagcaacagcaacagcaacagcaacagcaacaa
caacaacaacaacaccaacaacaacatcaacatcaacaaaaccaacaattccaacaacca
caacatcaacattttaatcaaaaccaaaaccaaaaccaaaaccaaaaccaaaaccaaaac
caaaaccaaaaccaaaaccaaaaccaaaaccaaaaccaaaaccaaaatcaaaatcaaaac
caaaatcaaaatcagcaacaaatgaaagcgcaacaaccacaaccaattcaacaaaaatta
ttagctccaccagcatttttttttacacaagaacaacttgatgttattagagctcaggtt
tatgcgtataaatgcttcatgcaaagaaaacccattacggaggagtattatggaatcttg
caattggctcatccttcaacatttataaatcaatcttcaccgtctgttgtacaaatgaat
acaaataatagtaatgttaataataataataacaataatagtaatagtaatatgaataat
aataatatgaatagtaataataatagtaatatgaataataatatgaataataataatggt
gtgaataacatgaataataatatgaataataataataccaataataatagtaataataat
aatatgaatcataataatatgaataataataatggtatgaataataatatgaataataat
aataataataataataatatgaataataatacaaatagcaatattaatagtaataacaat
agtggtaatagcaccaataatagtgccaatatcagtaataataacggaaatattggaaat
aacaatattaataatattagttataacaataacaatagcaataacaatagcaataacaat
aacaatagcaataacaatagcaataacaataacaatagcagtggcaatagcaatagcaat
agtaataacaatagcaatagcaataacaataacaacaataataacaacaacaacaatagt
aatactagtggtaataataataataataataataataataacaatatttataacaacatt
gcatcattaaatcaacaataccaaatgatgcaacaacaattacaacaaatacaggcacca
ccaggacagacactaaaccaacaacagttaatacaacagcaaatgttacatcaaaaacta
ttacaacaacaaagattgattcaacaccaacaatctcagttgttacaacaaccacaagct
caacaaacataccaacaaactcaaccacaaactcaacaaacacaacaaactcaaccacaa
actcaacaaacataccaacaaccacaagctcaacaaacataccaacaaactcaacaagct
caacaaacacaacaaactcaaccacaaactcaacaacaaactcaaccacaaccacaatcc
caagtgcaaccagagcagcagcaacaacaaacccaagcccaacaaccccaaccacaacaa
atccaacaaccacaacaccaacaatcacaacaacaatcagaaaatttacaacaacaacaa
ccagaacacttacaacaacaacaacaacaacaacaagaacacttacaacaaccagaaaat
ttacaaccccaaccccaacaacaatcccaacaacaaccagaacaagtacagtcatcagag
caaacacaaagcatgcaagcacaacaacaaccagaacaaaatcaaccccaacaacaatca
gagcaaataactcaacaacaacaatcccaacaagatcctcaacaaataaatcaacaacca
aatgctgtaccaagtttagtaactacaccaacatcaataaatacaccagcagcacttgta
tcaactgttgttattccaacacaagtaatagcagtgtcgtcagtatcaactacaacacct
accaatggcggtgttatagcaacacctaccaatggtggtattatagcaacacaaccgatg
gtagtttcacaaatacaaccaacacaacaacaacaacaacaacaaattataaatcaaaca
ccagttgtagaaccagagccaccatcaattccaattgatccattaaaaagtttgccaatg
gaaacattgatacctaaaccaatggatattgaattcatgttggaatgtaaaagaaatttg
gttagtcaattgatatcggataaacttgaatatctctatgagtccattccaacattagag
gatggtactattgagaaacttcaagagaccattcaatataaacaattgtcattgttggaa
tatcaaaaacaattaagaagggaggtattggatgcagagattagtaaatccaaattaaag
aaatctaaagatctcaaacaaaaacttgatcaacaacaatccaatgaggaaaagaataga
ttcaaagatttcttgggtcaaattcttaatcatagtaaagagtttaaagagtatcatgca
aacaaaatgacaaagattaaaaagatgacaaaacgtgtcaccgcttatttcatcctacaa
gaaaagaaagaacaacaacaaagagagagagaagagcgtgaacgtcttcgtgcactcaaa
accaatgatgaaagtaaataccttaaactcttggaacaaactaaaaatcaacgtctacgt
gaattgtttgatcaaaccaatgaatttttagataaaatctctcatcttcttcaaaaggaa
aagatttcaattcaagagaaagaagagaatgaagaggcaatcagaagacaacaagatcaa
ttacttttacaacaaaaagaaaaagaaggtgaagaagatgctaaacaatctgaaaaaatt
agtatcatgaatataacaaatgatgttgatatcgatactgatggtaatacaacaaataga
gatctttcaaataattcaaaatcacctttagttcgttcttcaaatccaatttcaaattta
ttaaatggtaaagatgatgatgatgatgatgataatgatgataataatcaaatgttagat
gataataataataataataatagtaattataataataataataataataataataataat
aataataataataataataataataataataataataataataataataataataataat
gataatggtaataaacctaaagttagtatcaataatcaaggtggttatggtgatgatgaa
gatgatataggtttaaatgataataaagatgatgaaaaaataacaaacgataataccacg
actactacctctgcatcatccaatactgatgttataatgaaaaatgattctggtcaacat
acagataaaaattcaaaagaaattcaagaaaagaaagataatgataataaagatcaatca
aaagcaacaactattgatggtgatgataattcatcaaatataaaagttgatgataaatca
atatctaccacaacaacagaaacatcaacagcaccaccaccaccaccaccaccaccaaca
acaacaacaacaactacaacaacaacaacttcaacagcaacaggtcaaacaaatccaaca
tatgtttcaaaagcacattcatattattcaaaagcacattcaattcaagaagatattatt
gaacaaccagcattattagaaggtggtaaattaaaaccatatcaaatgcaaggacttcaa
tggatggtttcattgtataacaataaattgaatggtattttagcggatgaaatgggtctt
ggtaaaacgattcaaaccattgctttggtatcctatttgatagaggtaaaaaagaataat
ggaccctttttagttgtggtaccattgtcaacactttccaattggggacaagagttttca
aaatgggcaccaaaggttaaacgtgttttatactatggtgataaacctgctagaaaatca
aagtttgaagagtttatagcaccaggtcaattcaatgccgttgtaacaacctatgaatat
atcatcaaggataagaatgcattaagtaagattaaatggaattatctaatcgttgatgag
ggtcatagaatgaaaaactacactagtaaactatcgattattttgggtacctcttattca
agtcgttatagattactattgactggtacaccacttcaaaatagtttaccagagctttgg
gctttgttaaactttttactaccaaccattttcgattgtgttgaagatttcgaacaatgg
tttaatgctccattcgctcaaactggtgaaaagattgaaatgaatgaagaggaacaactt
ttaatcattcaacgtcttcataaggttttaagaccttttctcttaagaagattaaagaaa
gaggtagaagctcagttaccagataaagttgagaaagtattgaaatgtgatatgtcggct
tttcaagcgaaaatgtacgatctcattaaaacaaagggtgtttcaaaacttgcaagttct
ggtggtgccgatggtaatccaaaattagcaaaaggtctaaagaatacctatgttcaatta
agaaagatttgcaatcatccttaccttttctatgatgacgagtataatatcgatgataat
ctaattagatatgcaggtaagtttgatttgttggatcgtctattaccaaagttaaaagct
gctggacatagagttttaatattttcacaaatgactcaattgatcaatattttggaggtg
tttttcgcttataaagattacaaattccttcgtttagatggttcaacaaaatccgacgaa
agaggtcatctcttagagttattcaatgctccaaactctgagtatttcattttcgtactt
tcaactagagcaggtggtttaggtttaaatttacaaactgccgatactgttatcattttc
gattcagattggaatccacaaatggatcttcaagcacaagatcgtgcacatcgtattggt
caaaaacaaactgtacgtgtacttcgtttggtcactgctcattccgttgaggagagtatt
ttagcaagagcaaactttaagaaagaattggataaaaagatcattcaagctggtcaattc
aataataaatcaaatcgttccgatagaaagaaaatgttggaggatttaatgactcaagat
gaaaccgctgaaatggagaaacaaacagtacccaccgattctcaaatcaatgaaatgatt
gctcgttctcctgaagagtttgaattgtatgaaaatatggataaagagagaatggaaatc
gatcaaaagaaatgggatgaagcaggtaaaaaaggtgaggctaaaagattaagtcaagag
gatgaaataccaagttggatcactaaagaggtcgaattgggtgatgatttaagttttgta
ctcaatcaatcaatcaaacctggttcaagtaagaaatctttagatcttgaaaatgaatta
caaattcgtaaaattttggaaagtggtaaaattaaaagaaaaactgcaaataataatgct
atgatttcagaattctttgatgatgatgacgatggatcctcctcttcttcttctgattca
gactctgatttcgaatctaaaccaactccaaaacgtactacaacttcagataaaccaaaa
tcttccaaagaatcaaataatcgtaaagagaaaaagaatacaaaagaaaaattaaaagat
aaggatacaaatggtttagatgatgatgatgacgataataatagtaataataataataat
aatgatgattatgataataataatgtttcggttgttgcaacaactccatctcgtactaat
aagagaaaagaattggaaagtaattattcagatgaagaggatgacgatgatgacgcagat
gaagaagatgaagaagatgaagatttccaacgtcctgtaagatctaaaaagagagcaaag
gttgctgcctcaaagaaaccttctgcttcaagtaagaaacaggaaaaagaaaagaaagcc
aatagtaatggtggtggtggtggtggtggcggtggtgatgattcatcaaactctaatcca
tcaacaccattaacaccatcatcttcatcatcatcatctattactgctcaaccaccttta
ccatcaccatcaccagtaaagaaagcaggtagaggtagaccagcaggtacaatgaaaaag
aagatctctgagaatgaacaaaagtatctccaaatttgggatgcaattagagccgatcaa
gatgaagaaggtagaaagagaagtgatatctttgtcaaattaccaagtaaaagagattat
ccagattattatataaccattaaagaaccaatcgatatgaaaactataaaagaaagaatt
gtgggtgccaagttttcaaatccattatcttttgctgccagtgtcaattcaatgttttat
aatgctcaaatttataatcaatcaggttcagaagtatttgaagatgctgtctatttacaa
aatcttttcactgaacttttcaataaactcttcccaaataatcaattaccgaaaccagaa
ccaccattatctccaacttcattagcaattcaacaagctactgttaaagatcaaatcgta
aaagatcaacttgatatttctgaacatcaagataaaagtaatagtgctgatcaatcatct
accacatcaactattgaacaatctcagccaactataactcaacaatcacctcaacaacaa
ccacaacaacaaccacaaccacaacaacaacaacaacaacaacaacaacaacaacaacaa
caacaacaaaaaccacaacaacaacaagcaatccaaagcccaaatgtagataaaaataac
tcaaccacaactactacttcaactaaacttttaaataattcgaaaggaaaccataacaat
aatagcttatccccacctgcttcaccatgtaacctttctcaaaataacaacattagcaat
aataataataatattaataataacaataataatattaacaacaataatgaaaaccatcaa
caatctcaaaaccctaatcaaactccacaaaaatctaaatcatcatcgtcaaaatcaagt
aagggtggagatagagatagagacagggatagagacagggatagagaaagacaaaaggaa
agtaaagagggtagagagagagacagagagagaagtagagatcaaaaagaacatcatagt
agagaatcaaatagaagcgatcaccatcaccataacagtaataataataacaataatagt
aacattaatattaataataataataataatatgaataataataataataatatgattaat
aataataataataataataatatgaataatatgaataatatgaacaataataataataat
aataatagtaataacaataataataataataataataataatatgaataataataataat
aataatatgaataataataataataataataataataatagcaacaacaataataccaac
aataataatcaaagagatcacagtggcaaagatcatcacagagaacacaaagagcataga
tctagtaatcacaaagagcacagagagcgtcacagagaaaatagagaacatagaggtgat
agagaaaacagagaaaatagagaaaacagagaaaatagagaacatagagaacatagagat
aatagaccaaacagagacaatagagagtttagggattatagttcaaatagtagtggtaat
aataacaataacaatatgataagtaattttaacaacattaacaacaataacaatagcaat
acaaacctcaataatatcaataatggtggcggtaaaagatatgatccaatgtcactatca
aacctcactaatgatgatgaaccaaatccacaaccaacttttgtaacaagaccccaacaa
caacctcaacaacaacaacctcaacaacaacaacaacctcaacaacaacaacaacctcaa
caacaacaacaacaacctcaacaacaacaacaacaacaacaacaacaacaacaacaacaa
caacaacaacaacaacaacaacaacctcaactacaacaacttcatcataaaagcaaccat
aataactataacaataataattataatagtaaccataataacaataatcaataccaacat
cattcctatcaacaacagcaacaccaacaacgacatcaaccaaacaaaaaacaaagattt
aatcctcttgatgatgatgatccttccgatagttcttttggtgaattggatgaagatgaa
agagatgaagattatgataattaa
DBGET
integrated database retrieval system
