| UHGV-1335635_1 | KOfam | K14059 | int; integrase | NA |
| UHGV-1335635_1 | PHROG | phrog_1 | integrase | integration and excision |
| UHGV-1335635_1 | UniRef90 | UniRef90_R6CA87 | Site-specific recombinase phage integrase family | NA |
| UHGV-1335635_1 | eggNOG-mapper | 411489.CLOL250_01458 | Belongs to the 'phage' integrase family | NA |
| UHGV-1335635_1 | Pfam | PF14659 | Phage integrase, N-terminal SAM-like domain | Phage_int_SAM_3 |
| UHGV-1335635_1 | Pfam | PF00589 | Phage integrase family | Phage_integrase |
| UHGV-1335635_1 | COG | COG0582 | Integrase/recombinase, includes phage integrase | NA |
| UHGV-1335635_1 | Structural annotation | PF00589, PF02920, PF14659, MF_01808, TIGR02224, COG4974 | NA | NA |
| UHGV-1335635_2 | PHROG | phrog_16129 | excisionase | integration and excision |
| UHGV-1335635_2 | UniRef90 | UniRef90_A0A412RR26 | HTH luxR-type domain-containing protein | NA |
| UHGV-1335635_2 | eggNOG-mapper | 411489.CLOL250_01459 | Excisionase from transposon Tn916 | NA |
| UHGV-1335635_2 | Pfam | PF00196 | Bacterial regulatory proteins, luxR family | GerE |
| UHGV-1335635_2 | Pfam | PF09035 | Excisionase from transposon Tn916 | Tn916-Xis |
| UHGV-1335635_2 | NCBIFam | TIGR01764.1 | excisionase family DNA-binding protein | NA |
| UHGV-1335635_2 | Structural annotation | PF09035, TIGR01764, COG2771, COG3311 | NA | NA |
| UHGV-1335635_3 | PHROG | phrog_17284 | NA | unknown function |
| UHGV-1335635_3 | UniRef90 | UniRef90_A0A412KFA2 | DNA (cytosine-5-)-methyltransferase | NA |
| UHGV-1335635_3 | eggNOG-mapper | 1123309.AQYB01000007_gene1896 | C-5 cytosine-specific DNA methylase | NA |
| UHGV-1335635_3 | PADLOC | MTase_II_00147 | Type II methyltransferase | RM |
| UHGV-1335635_3 | Pfam | PF00145 | C-5 cytosine-specific DNA methylase | DNA_methylase |
| UHGV-1335635_3 | COG | COG0270 | DNA-cytosine methylase | NA |
| UHGV-1335635_6 | KOfam | K00558 | DNMT1, dcm; DNA (cytosine-5)-methyltransferase 1 [EC:2.1.1.37] | NA |
| UHGV-1335635_6 | PHROG | phrog_116 | DNA methyltransferase | other |
| UHGV-1335635_6 | UniRef90 | UniRef90_A0A8D9UIR1 | Cytosine specific methyltransferase | NA |
| UHGV-1335635_6 | eggNOG-mapper | 397290.C810_05213 | C-5 cytosine-specific DNA methylase | NA |
| UHGV-1335635_6 | PADLOC | MTase_II_00058 | Type II methyltransferase | RM |
| UHGV-1335635_6 | Pfam | PF00145 | C-5 cytosine-specific DNA methylase | DNA_methylase |
| UHGV-1335635_6 | NCBIFam | TIGR00675.1 | DNA (cytosine-5-)-methyltransferase | NA |
| UHGV-1335635_6 | COG | COG0270 | DNA-cytosine methylase | NA |
| UHGV-1335635_6 | Structural annotation | PF00145, MF_00786, TIGR00675, COG0270 | NA | NA |
| UHGV-1335635_7 | PHROG | phrog_59 | HNH endonuclease | DNA, RNA and nucleotide metabolism |
| UHGV-1335635_7 | UniRef90 | UniRef90_A0A7G8AKF3 | HNH endonuclease | NA |
| UHGV-1335635_7 | eggNOG-mapper | 1229751.R9QM99_9CAUD | HNH endonuclease | NA |
| UHGV-1335635_7 | PADLOC | HEase_00016 | homing endonuclease | RM |
| UHGV-1335635_7 | Pfam | PF07463 | NUMOD4 motif | NUMOD4 |
| UHGV-1335635_7 | Pfam | PF13392 | HNH endonuclease | HNH_3 |
| UHGV-1335635_7 | Structural annotation | PF07463, PF07453, TIGR01453 | NA | NA |
| UHGV-1335635_13 | PHROG | phrog_9804 | NA | unknown function |
| UHGV-1335635_13 | UniRef90 | UniRef90_A0A412RQW3 | Inhibitor_G39P domain-containing protein | NA |
| UHGV-1335635_13 | eggNOG-mapper | 903814.ELI_3550 | Loader and inhibitor of phage G40P | NA |
| UHGV-1335635_13 | Pfam | PF11417 | Loader and inhibitor of phage G40P | Inhibitor_G39P |
| UHGV-1335635_13 | Structural annotation | PF11417 | NA | NA |
| UHGV-1335635_14 | PHROG | phrog_5708 | DnaD-like helicase loader | DNA, RNA and nucleotide metabolism |
| UHGV-1335635_14 | UniRef90 | UniRef90_UPI0018994D15 | replisome organizer | NA |
| UHGV-1335635_14 | eggNOG-mapper | 1415774.U728_867 | DnaD domain protein | NA |
| UHGV-1335635_14 | COG | COG3935 | DNA replication protein DnaD | NA |
| UHGV-1335635_14 | Structural annotation | PF09681, TIGR01714 | NA | NA |
| UHGV-1335635_15 | Structural annotation | PF17388 | NA | NA |
| UHGV-1335635_16 | PHROG | phrog_3458 | NA | unknown function |
| UHGV-1335635_18 | PHROG | phrog_6724 | NA | unknown function |
| UHGV-1335635_18 | eggNOG-mapper | 1463936.JOJI01000043_gene7935 | NA | NA |
| UHGV-1335635_19 | PHROG | phrog_19106 | NA | unknown function |
| UHGV-1335635_19 | UniRef90 | UniRef90_A0A412RQV5 | GIY-YIG nuclease family protein | NA |
| UHGV-1335635_19 | eggNOG-mapper | 658655.HMPREF0988_00875 | NA | NA |
| UHGV-1335635_19 | Structural annotation | TIGR01453 | NA | NA |
| UHGV-1335635_21 | PHROG | phrog_20593 | NA | unknown function |
| UHGV-1335635_21 | AcrCatalog | cluster_27421 | NA | NA |
| UHGV-1335635_23 | KOfam | K03111 | ssb; single-strand DNA-binding protein | NA |
| UHGV-1335635_23 | PHROG | phrog_44 | single strand DNA binding protein | DNA, RNA and nucleotide metabolism |
| UHGV-1335635_23 | UniRef90 | UniRef90_A0A1I6JG45 | Single-stranded DNA-binding protein | NA |
| UHGV-1335635_23 | eggNOG-mapper | 1235793.C809_02091 | Single-strand binding protein family | NA |
| UHGV-1335635_23 | Pfam | PF00436 | Single-strand binding protein family | SSB |
| UHGV-1335635_23 | NCBIFam | TIGR00621.2 | single-stranded DNA-binding protein | NA |
| UHGV-1335635_23 | COG | COG0629 | Single-stranded DNA-binding protein | NA |
| UHGV-1335635_23 | HAMAP | MF_00984 | Single-stranded DNA-binding protein | NA |
| UHGV-1335635_23 | Structural annotation | PF00436, MF_00984, NF005580, COG0629 | NA | NA |
| UHGV-1335635_24 | PHROG | phrog_1578 | NA | unknown function |
| UHGV-1335635_25 | KOfam | K06167 | phnP; phosphoribosyl 1,2-cyclic phosphate phosphodiesterase [EC:3.1.4.55] | NA |
| UHGV-1335635_25 | PHROG | phrog_392 | metal-dependent hydrolase | other |
| UHGV-1335635_25 | UniRef90 | UniRef90_A0A412RQX2 | MBL fold metallo-hydrolase | NA |
| UHGV-1335635_25 | eggNOG-mapper | 397290.C810_01486 | May be involved in the transport of PQQ or its precursor to the periplasm | NA |
| UHGV-1335635_25 | Pfam | PF12706 | Beta-lactamase superfamily domain | Lactamase_B_2 |
| UHGV-1335635_25 | COG | COG1235 | Phosphoribosyl 1,2-cyclic phosphate phosphodiesterase | NA |
| UHGV-1335635_25 | Structural annotation | PF02112, MF_01818, NF041851, COG1234 | NA | NA |
| UHGV-1335635_27 | PHROG | phrog_25456 | NA | unknown function |
| UHGV-1335635_28 | PHROG | phrog_2760 | RecT-like ssDNA annealing protein | DNA, RNA and nucleotide metabolism |
| UHGV-1335635_28 | UniRef90 | UniRef90_A0A412RR22 | Phage recombination protein Bet | NA |
| UHGV-1335635_28 | eggNOG-mapper | 397290.C810_01467 | Phage recombination protein Bet | NA |
| UHGV-1335635_28 | Pfam | PF03837 | RecT family | RecT |
| UHGV-1335635_28 | NCBIFam | TIGR01913.1 | phage recombination protein Bet | NA |
| UHGV-1335635_28 | COG | COG3723 | Recombinational DNA repair protein RecT | NA |
| UHGV-1335635_28 | Structural annotation | PF03837, TIGR01913, COG3723 | NA | NA |
| UHGV-1335635_29 | KOfam | K24213 | C1QTNF9; complement C1q and tumor necrosis factor-related protein 9 | NA |
| UHGV-1335635_29 | PHROG | phrog_27197 | NA | unknown function |
| UHGV-1335635_29 | eggNOG-mapper | 886882.PPSC2_p0363 | regulation of DNA-templated transcription, elongation | NA |
| UHGV-1335635_29 | COG | COG5164 | Transcription elongation factor SPT5 | NA |
| UHGV-1335635_29 | Structural annotation | NF007410 | NA | NA |
| UHGV-1335635_30 | KOfam | K19171 | dndD; DNA sulfur modification protein DndD | NA |
| UHGV-1335635_30 | PHROG | phrog_77 | SbcC-like subunit of palindrome specific endonuclease | DNA, RNA and nucleotide metabolism |
| UHGV-1335635_30 | UniRef90 | UniRef90_R7BHE4 | Phage-related protein | NA |
| UHGV-1335635_30 | eggNOG-mapper | 1298920.KI911353_gene2731 | nuclear chromosome segregation | NA |
| UHGV-1335635_30 | Pfam | PF13476 | AAA domain | AAA_23 |
| UHGV-1335635_30 | COG | COG1196 | Chromosome segregation ATPase Smc | NA |
| UHGV-1335635_30 | Structural annotation | PF02463, MF_00449, NF041034, COG0419 | NA | NA |
| UHGV-1335635_33 | eggNOG-mapper | 742765.HMPREF9457_03017 | peptidase | NA |
| UHGV-1335635_33 | COG | COG4942 | Septal ring factor EnvC, activator of murein hydrolases AmiA and AmiB | NA |
| UHGV-1335635_34 | PHROG | phrog_463 | anti-repressor | transcription regulation |
| UHGV-1335635_34 | UniRef90 | UniRef90_A0A412RQX1 | Phage repressor protein | NA |
| UHGV-1335635_34 | eggNOG-mapper | 596329.HMPREF0631_1352 | BRO family, N-terminal domain protein | NA |
| UHGV-1335635_34 | Pfam | PF02498 | BRO family, N-terminal domain | Bro-N |
| UHGV-1335635_34 | Pfam | PF10552 | ORF6C domain | ORF6C |
| UHGV-1335635_34 | COG | COG3617 | Prophage antirepressor | NA |
| UHGV-1335635_34 | Structural annotation | PF10552, PF02498, TIGR02681, COG3617 | NA | NA |
| UHGV-1335635_37 | UniRef90 | UniRef90_A0A395X814 | XRE family transcriptional regulator | NA |
| UHGV-1335635_37 | eggNOG-mapper | 1121289.JHVL01000079_gene1187 | Helix-turn-helix XRE-family like proteins | NA |
| UHGV-1335635_37 | Pfam | PF13443 | Cro/C1-type HTH DNA-binding domain | HTH_26 |
| UHGV-1335635_37 | Structural annotation | PF12844, NF041951, COG1396 | NA | NA |
| UHGV-1335635_38 | KOfam | K22300 | dicA; HTH-type transcriptional regulator, cell division transcriptional repressor | NA |
| UHGV-1335635_38 | PHROG | phrog_8 | transcriptional regulator | transcription regulation |
| UHGV-1335635_38 | UniRef90 | UniRef90_A0A395X7H2 | XRE family transcriptional regulator | NA |
| UHGV-1335635_38 | eggNOG-mapper | 397288.C806_00131 | Transcriptional | NA |
| UHGV-1335635_38 | Pfam | PF01381 | Helix-turn-helix | HTH_3 |
| UHGV-1335635_38 | COG | COG1396 | Transcriptional regulator, contains XRE-family HTH domain | NA |
| UHGV-1335635_38 | Structural annotation | PF01381, MF_02017, NF041951, COG3655 | NA | NA |
| UHGV-1335635_39 | UniRef90 | UniRef90_A0A8D9UIV6 | RNAse domain protein | NA |
| UHGV-1335635_41 | PHROG | phrog_806 | NA | unknown function |
| UHGV-1335635_41 | Pfam | PF11611 | NA | DUF4352 |
| UHGV-1335635_41 | Structural annotation | PF11611, MF_00791, NF003967, COG2967 | NA | NA |
| UHGV-1335635_42 | UniRef90 | UniRef90_A0A349YRM6 | XkdX family protein | NA |
| UHGV-1335635_42 | eggNOG-mapper | 411468.CLOSCI_01507 | Phage uncharacterised protein (Phage_XkdX) | NA |
| UHGV-1335635_42 | Pfam | PF09693 | Phage uncharacterised protein (Phage_XkdX) | Phage_XkdX |
| UHGV-1335635_42 | Structural annotation | PF09693, TIGR01669 | NA | NA |
| UHGV-1335635_43 | PHROG | phrog_20201 | NA | unknown function |
| UHGV-1335635_44 | PHROG | phrog_5302 | tail protein | tail |
| UHGV-1335635_44 | UniRef90 | UniRef90_A0A345BPB9 | Lectin | NA |
| UHGV-1335635_44 | eggNOG-mapper | 428125.CLOLEP_01426 | NA | NA |
| UHGV-1335635_44 | Structural annotation | COG1262 | NA | NA |
| UHGV-1335635_45 | eggNOG-mapper | 1121866.AUGK01000003_gene1445 | NA | NA |
| UHGV-1335635_46 | PHROG | phrog_6616 | tail protein | tail |
| UHGV-1335635_46 | UniRef90 | UniRef90_A0A412RR71 | Tail fiber domain-containing protein | NA |
| UHGV-1335635_46 | eggNOG-mapper | 476272.RUMHYD_01992 | NA | NA |
| UHGV-1335635_46 | Structural annotation | PF05113, NF033848, COG3500 | NA | NA |
| UHGV-1335635_47 | PHROG | phrog_1194 | NA | unknown function |
| UHGV-1335635_47 | eggNOG-mapper | 1000588.HMPREF9965_1690 | NA | NA |
| UHGV-1335635_47 | Pfam | PF20458 | NA | DUF6711 |
| UHGV-1335635_47 | Structural annotation | PF20458, TIGR02126, COG3499 | NA | NA |
| UHGV-1335635_48 | PHROG | phrog_1535 | tail length tape measure protein | tail |
| UHGV-1335635_48 | eggNOG-mapper | 397288.C806_03052 | domain protein | NA |
| UHGV-1335635_48 | COG | COG3941 | Phage tail tape-measure protein, controls tail length | NA |
| UHGV-1335635_49 | KOfam | K07273 | acm; lysozyme | NA |
| UHGV-1335635_49 | PHROG | phrog_291 | endolysin | lysis |
| UHGV-1335635_49 | UniRef90 | UniRef90_A0A174GRH8 | Autolytic lysozyme | NA |
| UHGV-1335635_49 | eggNOG-mapper | 1235800.C819_00458 | Glycosyl hydrolases family 25 | NA |
| UHGV-1335635_49 | Pfam | PF01183 | Glycosyl hydrolases family 25 | Glyco_hydro_25 |
| UHGV-1335635_49 | Pfam | PF01471 | Putative peptidoglycan binding domain | PG_binding_1 |
| UHGV-1335635_49 | COG | COG3757 | Lyzozyme M1 (1,4-beta-N-acetylmuramidase), GH25 family | NA |
| UHGV-1335635_49 | Structural annotation | PF01183, PF01471, MF_01672, COG3757, COG3409 | NA | NA |
| UHGV-1335635_52 | UniRef90 | UniRef90_R7BGF5 | Phage tail protein | NA |
| UHGV-1335635_52 | Structural annotation | PF16463, TIGR02126, COG5437 | NA | NA |
| UHGV-1335635_53 | Structural annotation | PF05657 | NA | NA |
| UHGV-1335635_54 | eggNOG-mapper | 1232453.BAIF02000058_gene1631 | NA | NA |
| UHGV-1335635_54 | AcrCatalog | cluster_24841 | NA | NA |
| UHGV-1335635_55 | eggNOG-mapper | 1298920.KI911353_gene2656 | NA | NA |
| UHGV-1335635_55 | Structural annotation | PF07405, TIGR01563, COG5614 | NA | NA |
| UHGV-1335635_56 | PHROG | phrog_1129 | holin | lysis |
| UHGV-1335635_56 | UniRef90 | UniRef90_A0A412RR82 | Enolase | NA |
| UHGV-1335635_56 | eggNOG-mapper | 411461.DORFOR_00721 | NA | NA |
| UHGV-1335635_56 | Pfam | PF16079 | Phage holin family Hol44, in holin superfamily V | Phage_holin_5_2 |
| UHGV-1335635_56 | Structural annotation | PF06946 | NA | NA |
| UHGV-1335635_57 | PHROG | phrog_4105 | NA | unknown function |
| UHGV-1335635_57 | eggNOG-mapper | 411459.RUMOBE_00911 | NA | NA |
| UHGV-1335635_58 | eggNOG-mapper | 397290.C810_01402 | NA | NA |
| UHGV-1335635_59 | UniRef90 | UniRef90_A0A416G2T8 | Rho_N domain-containing protein | NA |
| UHGV-1335635_59 | Structural annotation | PF21169 | NA | NA |
| UHGV-1335635_60 | PHROG | phrog_29 | major head protein | head and packaging |
| UHGV-1335635_60 | UniRef90 | UniRef90_UPI001D02C54B | major capsid protein | NA |
| UHGV-1335635_60 | eggNOG-mapper | 1298920.KI911353_gene2660 | Phage major capsid protein E | NA |
| UHGV-1335635_60 | Pfam | PF03864 | Phage major capsid protein E | Phage_cap_E |
| UHGV-1335635_60 | Structural annotation | PF03864, MF_04133, NF041162, COG4653 | NA | NA |
| UHGV-1335635_61 | PHROG | phrog_909 | major head protein | head and packaging |
| UHGV-1335635_61 | eggNOG-mapper | 1298920.KI911353_gene2661 | NA | NA |
| UHGV-1335635_62 | UniRef90 | UniRef90_R6C0B6 | Phage capsid scaffolding protein | NA |
| UHGV-1335635_63 | PHROG | phrog_2662 | portal protein | head and packaging |
| UHGV-1335635_63 | UniRef90 | UniRef90_A0A412RR50 | Phage_Mu_F domain-containing protein | NA |
| UHGV-1335635_63 | Pfam | PF04233 | Phage Mu protein F like protein | Phage_Mu_F |
| UHGV-1335635_63 | COG | COG2369 | NA | NA |
| UHGV-1335635_63 | Structural annotation | PF04233, TIGR01641 | NA | NA |
| UHGV-1335635_64 | PHROG | phrog_64 | portal protein | head and packaging |
| UHGV-1335635_64 | UniRef90 | UniRef90_A0A412RQZ0 | Phage portal protein | NA |
| UHGV-1335635_64 | eggNOG-mapper | 1232453.BAIF02000058_gene1625 | Phage portal protein, SPP1 Gp6-like | NA |
| UHGV-1335635_64 | Pfam | PF05133 | Phage portal protein, SPP1 Gp6-like | Phage_prot_Gp6 |
| UHGV-1335635_64 | Structural annotation | PF05133, MF_04120, TIGR01538, COG5511 | NA | NA |
| UHGV-1335635_65 | UniRef90 | UniRef90_A0A8D9UIR9 | RimK-related lysine biosynthesis protein | NA |
| UHGV-1335635_66 | PHROG | phrog_36 | transcriptional regulator | transcription regulation |
| UHGV-1335635_66 | eggNOG-mapper | 397290.C810_01391 | NA | NA |
| UHGV-1335635_66 | Structural annotation | PF02996 | NA | NA |
| UHGV-1335635_67 | PHROG | phrog_38 | terminase large subunit | head and packaging |
| UHGV-1335635_67 | UniRef90 | UniRef90_UPI001D009E65 | phage terminase large subunit | NA |
| UHGV-1335635_67 | eggNOG-mapper | 1121866.AUGK01000003_gene1428 | chromosome segregation | NA |
| UHGV-1335635_67 | NCBIFam | TIGR01630.1 | phage terminase large subunit | NA |
| UHGV-1335635_67 | COG | COG5410 | NA | NA |
| UHGV-1335635_67 | Structural annotation | PF17289, PF05876, MF_04147, NF033889, COG5362, COG5410 | NA | NA |
| UHGV-1335635_68 | UniRef90 | UniRef90_UPI0011072322 | NA | NA |
| UHGV-1335635_69 | PHROG | phrog_1233 | NA | unknown function |
| UHGV-1335635_69 | UniRef90 | UniRef90_UPI001C39EFB9 | Dienelactone hydrolase family protein | NA |
| UHGV-1335635_69 | eggNOG-mapper | 357809.Cphy_2967 | NA | NA |
| UHGV-1335635_69 | Structural annotation | PF13058 | NA | NA |
| UHGV-1335635_76 | PHROG | phrog_25639 | NA | unknown function |
| UHGV-1335635_76 | eggNOG-mapper | 585501.HMPREF6123_0841 | NA | NA |
| UHGV-1335635_79 | PHROG | phrog_6730 | NA | unknown function |
| UHGV-1335635_79 | eggNOG-mapper | 1136534.J9PTY8_9CAUD | NA | NA |
| UHGV-1335635_79 | Structural annotation | PF00684, MF_04158 | NA | NA |
| UHGV-1335635_81 | UniRef90 | UniRef90_A0A8D9PGW1 | HTH psq-type domain-containing protein | NA |
| UHGV-1335635_81 | Structural annotation | PF05225, COG2886 | NA | NA |
| UHGV-1335635_83 | UniRef90 | UniRef90_A0A412RQV8 | NA | NA |
| UHGV-1335635_83 | eggNOG-mapper | 1236504.HMPREF2132_11120 | NA | NA |
| UHGV-1335635_83 | Structural annotation | PF11753 | NA | NA |
| UHGV-1335635_84 | eggNOG-mapper | 658655.HMPREF0988_00895 | NA | NA |
| UHGV-1335635_84 | Structural annotation | PF16677 | NA | NA |
| UHGV-1335635_89 | eggNOG-mapper | 502558.EGYY_02830 | NA | NA |
| UHGV-1335635_91 | Structural annotation | PF13973 | NA | NA |
| UHGV-1335635_95 | PHROG | phrog_1233 | NA | unknown function |
| UHGV-1335635_95 | eggNOG-mapper | 658655.HMPREF0988_00914 | NA | NA |
| UHGV-1335635_96 | eggNOG-mapper | 658655.HMPREF0988_00915 | NA | NA |
| UHGV-1335635_97 | PHROG | phrog_20016 | NA | unknown function |
| UHGV-1335635_97 | UniRef90 | UniRef90_A0A285PT46 | Tumour necrosis factor-like domain | NA |
| UHGV-1335635_97 | eggNOG-mapper | 397290.C810_05214 | NA | NA |
| UHGV-1335635_97 | Structural annotation | PF18573, NF033147 | NA | NA |
| UHGV-1335635_98 | PHROG | phrog_16490 | NA | unknown function |
| UHGV-1335635_98 | eggNOG-mapper | 397290.C810_01328 | NA | NA |
| UHGV-1335635_99 | eggNOG-mapper | 658655.HMPREF0988_00918 | NA | NA |
| UHGV-1335635_100 | PHROG | phrog_21718 | NA | unknown function |
| UHGV-1335635_100 | eggNOG-mapper | 658655.HMPREF0988_00919 | NA | NA |
| UHGV-1335635_100 | Structural annotation | NF033819 | NA | NA |
| UHGV-1335635_102 | PHROG | phrog_31631 | NA | unknown function |