FastQCFastQC Report
Wed 8 May 2024
EGAF00005491050

Summary

[OK]Basic Statistics

MeasureValue
FilenameEGAF00005491050
File typeConventional base calls
EncodingSanger / Illumina 1.9
Total Sequences70625
Total Bases21.2 Mbp
Sequences flagged as poor quality0
Sequence length301
%GC51

[WARN]Per base sequence quality

Per base quality graph

[WARN]Per tile sequence quality

Per tile quality graph

[OK]Per sequence quality scores

Per Sequence quality graph

[FAIL]Per base sequence content

Per base sequence content

[FAIL]Per sequence GC content

Per sequence GC content graph

[OK]Per base N content

N content graph

[OK]Sequence Length Distribution

Sequence length distribution

[FAIL]Sequence Duplication Levels

Duplication level graph

[FAIL]Overrepresented sequences

SequenceCountPercentagePossible Source
GGACTACACGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA13971.9780530973451327No Hit
GGACTACACGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA12971.8364601769911504No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA12701.798230088495575No Hit
GGACTACCCGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA11091.5702654867256638No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA10551.4938053097345134No Hit
GGACTACACGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA10041.4215929203539823No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA9241.3083185840707965No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA9111.2899115044247786No Hit
GGACTACACGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA8931.264424778761062No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA8851.2530973451327432No Hit
GGACTACAAGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA8471.1992920353982301No Hit
GGACTACCCGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA8391.1879646017699115No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA8341.1808849557522123No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA7691.0888495575221238No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA7541.0676106194690265No Hit
GGACTACACGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA7531.0661946902654869No Hit
GGACTACACGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA7161.0138053097345132No Hit
GGACTACCGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA6880.9741592920353983No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA6640.9401769911504425No Hit
GGACTACTCGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA6590.9330973451327433No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA6360.9005309734513275No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA6270.887787610619469No Hit
GGACTACAAGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA6230.8821238938053098No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA6230.8821238938053098No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA6200.8778761061946903No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA5960.8438938053097346No Hit
GGACTACAGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA5900.8353982300884956No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA5880.8325663716814159No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA5790.8198230088495575No Hit
GGACTACCAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA5510.7801769911504425No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA5450.7716814159292035No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA5140.7277876106194691No Hit
GGACTACTCGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA5120.7249557522123894No Hit
GGACTACCGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA5100.7221238938053097No Hit
GGACTACCAGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA5060.7164601769911505No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA4820.6824778761061947No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA4530.6414159292035398No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA4520.64No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA4500.6371681415929203No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA4420.6258407079646018No Hit
GGACTACTGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA4370.6187610619469027No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA4320.6116814159292036No Hit
GGACTACAGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA4170.5904424778761062No Hit
GGACTACACGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA4170.5904424778761062No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA4060.5748672566371681No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA4000.5663716814159292No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA3910.5536283185840708No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA3850.5451327433628319No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA3850.5451327433628319No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA3820.5408849557522124No Hit
GGACTACACGGGTATCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA3810.5394690265486726No Hit
GGACTACCAGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA3770.5338053097345132No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3500.49557522123893805No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA3470.4913274336283186No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA3470.4913274336283186No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA3460.48991150442477877No Hit
GGACTACTGGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA3370.4771681415929203No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA3320.47008849557522125No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA3240.45876106194690264No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA3240.45876106194690264No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA3180.45026548672566374No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA3120.4417699115044248No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA3110.4403539823008849No Hit
GGACTACCAGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA3050.431858407079646No Hit
GGACTACTAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGAGCCTCA2960.41911504424778756No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA2940.41628318584070795No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA2920.41345132743362834No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA2920.41345132743362834No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA2900.41061946902654867No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2720.3851327433628318No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA2670.37805309734513276No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA2620.37097345132743365No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA2620.37097345132743365No Hit
GGACTACTAGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCCTCA2610.3695575221238938No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA2600.368141592920354No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2580.3653097345132743No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA2410.34123893805309735No Hit
GGACTACACGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA2390.33840707964601774No Hit
GGACTACACGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA2390.33840707964601774No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA2380.33699115044247785No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA2350.3327433628318584No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2260.32No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGATACCCACACTTTCGAGCATCA2230.3157522123893805No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA2170.30725663716814156No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA2120.3001769911504425No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA2080.29451327433628316No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA2000.2831858407079646No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1990.28176991150442476No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1960.2775221238938053No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA1950.2761061946902655No Hit
GGACTACACGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA1910.2704424778761062No Hit
GGACTACACGGGTATCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA1820.25769911504424775No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA1810.25628318584070797No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1800.25486725663716814No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA1800.25486725663716814No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA1790.2534513274336283No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA1770.2506194690265487No Hit
GGACTACTAGGGTATCTAATCCTGTTTGATACCCACACTTTCGAGCATCA1760.24920353982300883No Hit
GGACTACCCGGGTATCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA1710.24212389380530974No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1700.24070796460176994No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA1650.2336283185840708No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1610.22796460176991148No Hit
GGACTACCAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1600.22654867256637168No Hit
GGACTACACGGGTATCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA1600.22654867256637168No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1580.22371681415929204No Hit
GGACTACACGGGTTTCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA1570.22230088495575223No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA1540.21805309734513273No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1540.21805309734513273No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA1480.20955752212389378No Hit
GGACTACTAGGGTATCTAATCCTGTTTGCTACCCACACTTTCGAGCCTCA1460.20672566371681417No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA1460.20672566371681417No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA1440.20389380530973453No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1420.2010619469026549No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA1380.19539823008849558No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA1350.1911504424778761No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA1310.18548672566371682No Hit
GGACTACCAGGGTATCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA1310.18548672566371682No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA1310.18548672566371682No Hit
GGACTACCCGGGTATCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA1290.18265486725663715No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1280.18123893805309735No Hit
GGACTACAAGGGTATCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA1260.17840707964601768No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA1240.17557522123893807No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA1230.17415929203539823No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA1230.17415929203539823No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA1180.16707964601769912No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1180.16707964601769912No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1170.16566371681415928No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA1160.16424778761061948No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA1140.16141592920353984No Hit
GGACTACACGGGTTTCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA1140.16141592920353984No Hit
GGACTACAAGGGTATCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA1130.16No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA1130.16No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1130.16No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1100.15575221238938053No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA1090.1543362831858407No Hit
GGACTACTCGGGTATCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA1090.1543362831858407No Hit
GGACTACCGGGGTATCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA1060.15008849557522125No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA1050.1486725663716814No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA1030.14584070796460177No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA1010.14300884955752213No Hit
GGACTACTGGGGTTTCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA1010.14300884955752213No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA990.1401769911504425No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA950.13451327433628318No Hit
GGACTACCAGGGTATCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA940.13309734513274335No Hit
GGACTACTAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA920.13026548672566374No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA920.13026548672566374No Hit
GGACTACTAGGGTATCTAATCCTGTTTGCTACCCATGCTTTCGAGCCTCA920.13026548672566374No Hit
GGACTACTAGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTCA910.12884955752212388No Hit
GGACTACACGGGTATCTAATCCCAGTTTGGGTCTTAGCTATTGTGTGTTC900.12743362831858407No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA890.12601769911504426No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA890.12601769911504426No Hit
GGACTACCCGGGTATCTAATCCCAGTTTGGGTCTTAGCTATTGTGTGTTC870.1231858407079646No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA850.12035398230088497No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA840.11893805309734512No Hit
GGACTACTCGGGTTTCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA840.11893805309734512No Hit
GGACTACACGGGTATCTAATCCTGTTCGATACCCACGCTTTCGTGCCTCA840.11893805309734512No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA810.11469026548672566No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA800.11327433628318584No Hit
GGACTACCGGGGTATCTAATCCCAGTTTGGGTCTTAGCTATTGTGTGTTC780.1104424778761062No Hit
GGACTACCAGGGTTTCTAATCCTGTTTGCTCCCCACGCTTTCGTGCCTGA770.10902654867256636No Hit
GGACTACAGGGGTATCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA770.10902654867256636No Hit
GGACTACTCGGGTATCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA770.10902654867256636No Hit
GGACTACCGGGGTTTCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA760.10761061946902654No Hit
GGACTACCCGGGTTTCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA760.10761061946902654No Hit
GGACTACCAGGGTATCTAATCCTGTTTGATCCCCATGCTTTCGTGCCTCA760.10761061946902654No Hit
GGACTACAGGGGTATCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA760.10761061946902654No Hit
GGACTACACGGGTTTCTAATCCCAGTTTGGGTCTTAGCTATTGTGTGTTC740.10477876106194689No Hit
GGACTACCGGGGTATCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA730.10336283185840708No Hit
GGACTACTGGGGTATCTAATCCTGTTTGCTCCCCACGCTTTCGCGCCTCA730.10336283185840708No Hit
GGACTACAAGGGTTTCTAATCCTGTTTGCTCCCCACACTTTCGCGCCTCA730.10336283185840708No Hit
GGACTACAGGGGTTTCTAATCCTGTTTGCTACCCACGCTTTCGTGCCTCA720.10194690265486726No Hit

[OK]Adapter Content

Adapter graph