Please note: this site relies heavily on the use of javascript. Without a javascript-enabled browser, this site will not function correctly. Please enable javascript and reload the page, or switch to a different browser.

Browse Pfam families

New Top twenty Numbers A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
ID Accession Type Number of sequences Average length Average %id Average coverage Has 3D Change status Description
Seed Full
K-box PF01486 Family 202 2841 90.10 30 41.44 Changed K-box region
K-cyclin_vir_C PF09080 Domain 2 1 106.00 100 41.25 Changed K cyclin, C terminal
K1 PF02960 Family 1 1 120.00 100 43.01 Changed K1 glycoprotein
K1377 PF15352 Family 22 112 611.70 31 85.84 Changed Susceptibility to monomelic amyotrophy
K167R PF08065 Repeat 171 675 94.50 40 46.16 Changed K167R (NUC007) repeat
KA1 PF02149 Domain 99 1753 44.30 34 5.57 Changed Kinase associated domain 1
KAAG1 PF15354 Family 2 10 83.20 88 100.00 Changed Kidney-associated antigen 1
KaiA PF07688 Domain 24 94 116.70 56 47.41 Changed KaiA C-terminal domain
KaiB PF07689 Domain 14 537 81.40 38 44.68 Changed KaiB domain
KAP PF05804 Family 3 601 384.70 21 67.89 Changed Kinesin-associated protein (KAP)
KapB PF08810 Domain 22 134 110.90 46 87.77 Changed Kinase associated protein B
KAP_NTPase PF07693 Domain 18 1323 314.00 14 39.30 Changed KAP family P-loop domain
KAR PF15222 Family 2 3 98.70 59 85.80 Changed Kidney androgen-regulated
KAR9 PF08580 Family 18 366 590.30 26 66.62 Changed Yeast cortical protein KAR9
KASH PF10541 Domain 46 485 56.30 50 1.64 Changed Nuclear envelope localisation domain
KASH_CCD PF14662 Coiled-coil 10 89 166.10 42 23.31 Changed Coiled-coil region of CCDC155 or KASH
KAsynt_C_assoc PF16197 Family 103 9895 117.40 26 5.90 Changed Ketoacyl-synthetase C-terminal extension
Katanin_con80 PF13925 Domain 77 679 145.70 29 23.10 Changed con80 domain of Katanin
Kazal_1 PF00050 Domain 25 2944 52.20 29 25.81 Changed Kazal-type serine protease inhibitor domain
Kazal_2 PF07648 Domain 40 7303 47.30 28 14.16 Changed Kazal-type serine protease inhibitor domain
KbaA PF14089 Family 25 186 174.70 40 84.18 Changed KinB-signalling pathway activation in sporulation
KBP_C PF12309 Family 35 315 311.40 27 56.31 Changed KIF-1 binding protein C terminal
KCH PF16944 Family 94 392 241.40 39 42.57 Changed Fungal potassium channel
KcnmB2_inactiv PF09303 Domain 6 111 25.60 82 11.22 Changed KCNMB2, ball and chain domain
KCNQ2_u3 PF16642 Disordered 13 133 91.30 68 11.93 Changed Unstructured region on Potassium channel subunit alpha KvLQT2
KCNQC3-Ank-G_bd PF11956 Family 12 217 97.80 62 12.97 Changed Ankyrin-G binding motif of KCNQ2-3
KCNQ_channel PF03520 Family 14 887 152.80 40 26.05 Changed KCNQ voltage-gated potassium channel
KdgM PF06178 Family 4 176 209.90 23 91.76 Changed Oligogalacturonate-specific porin protein (KdgM)
KDGP_aldolase PF07071 Domain 11 196 211.90 56 88.64 Changed KDGP aldolase
KdgT PF03812 Family 73 375 295.10 41 92.98 Changed 2-keto-3-deoxygluconate permease
Kdo PF06293 Family 11 2126 160.20 18 47.34 Changed Lipopolysaccharide kinase (Kdo/WaaP) family
Kdo_hydroxy PF11004 Family 21 127 272.30 49 90.78 Changed 3-deoxy-D-manno-oct-2-ulosonic acid (Kdo) hydroxylase
KdpA PF03814 Family 243 1517 530.10 47 97.47 Changed Potassium-transporting ATPase A subunit
KdpC PF02669 Family 344 1524 175.90 41 92.03 Changed K+-transporting ATPase, c chain
KdpD PF02702 Family 261 1568 206.70 54 28.26 Changed Osmosensitive K+ channel His kinase sensor domain
KduI PF04962 Domain 69 1735 250.80 26 89.81 Changed KduI/IolB family
Kei1 PF08552 Family 74 379 170.50 32 57.73 Changed Inositolphosphorylceramide synthase subunit Kei1
Kelch_1 PF01344 Repeat 147 36884 45.70 26 20.29 Changed Kelch motif
Kelch_2 PF07646 Repeat 42 1692 49.30 22 9.29 Changed Kelch motif
Kelch_3 PF13415 Domain 64 5438 52.50 27 8.94 Changed Galactose oxidase, central domain
Kelch_4 PF13418 Repeat 54 9424 50.90 22 9.87 Changed Galactose oxidase, central domain
Kelch_5 PF13854 Repeat 64 3524 43.10 26 6.46 Changed Kelch motif
Kelch_6 PF13964 Repeat 130 3294 51.70 21 8.85 Changed Kelch motif
KELK PF15796 Family 34 354 78.30 53 5.25 Changed KELK-motif containing domain of MRCK Ser/Thr protein kinase
Keratin PF02422 Family 27 1352 85.60 56 91.26 Changed Keratin
Keratin_2_head PF16208 Family 50 1652 101.60 37 21.45 Changed Keratin type II head
Keratin_2_tail PF16210 Family 8 39 113.80 72 20.38 Changed Keratin type II cytoskeletal 1 tail
Keratin_assoc PF09775 Family 24 249 117.20 41 79.61 Changed Keratinocyte-associated protein 2
Keratin_B2 PF01500 Family 8 235 83.80 39 82.55 Changed Keratin, high sulfur B2 protein
Keratin_B2_2 PF13885 Family 61 2502 46.70 41 77.47 Changed Keratin, high sulfur B2 protein
Keratin_matx PF04579 Family 11 86 95.60 75 91.35 Changed Keratin, high-sulphur matrix protein
ketoacyl-synt PF00109 Domain 81 23539 233.30 25 19.18 Changed Beta-ketoacyl synthase, N-terminal domain
Ketoacyl-synt_2 PF13723 Domain 40 459 203.80 23 74.98 Changed Beta-ketoacyl synthase, N-terminal domain
Ketoacyl-synt_C PF02801 Domain 85 22247 115.20 33 9.06 Changed Beta-ketoacyl synthase, C-terminal domain
KfrA_N PF11740 Family 108 456 120.00 21 38.37 Changed Plasmid replication region DNA-binding N-term
KGG PF10685 Family 78 1346 21.00 43 44.24 Changed Stress-induced bacterial acidophilic repeat motif
KGK PF08872 Domain 19 139 103.70 24 73.77 Changed KGK domain
KHA PF11834 Family 116 732 65.80 35 10.09 Changed KHA, dimerisation domain of potassium ion channel
KH_1 PF00013 Domain 873 36796 64.80 22 20.90 Changed KH domain
KH_2 PF07650 Domain 131 9723 76.60 27 27.91 Changed KH domain
KH_4 PF13083 Domain 135 3690 73.00 26 52.85 Changed KH domain
KH_5 PF13184 Domain 36 4325 68.80 50 16.41 Changed NusA-like KH domain
KH_6 PF15985 Domain 285 1455 48.30 32 16.66 Changed KH domain
KH_7 PF17214 Domain 54 204 67.10 39 10.50 Changed KH domain
KH_dom-like PF14714 Domain 690 4209 80.50 38 17.13 Changed KH-domain-like of EngA bacterial GTPase enzymes, C-terminal
KIAA1328 PF15369 Family 10 115 211.60 40 58.12 Changed Uncharacterised protein KIAA1328
KIAA1430 PF13879 Family 106 516 103.80 22 28.72 Changed KIAA1430 homologue
KicB PF03882 Domain 13 168 113.30 63 26.27 Changed MukF winged-helix domain
KID PF02524 Repeat 2 49 11.00 81 17.40 Changed KID repeat
KIF1B PF12423 Family 91 1073 46.50 34 2.98 Changed Kinesin protein 1B
KilA-N PF04383 Domain 138 2335 100.90 27 30.06 Changed KilA-N domain
Kin17_mid PF10357 Family 132 853 123.80 45 31.48 Changed Domain of Kin17 curved DNA-binding protein
Kinase-like PF14531 Family 6 95 245.80 18 46.24 Changed Kinase-like
Kinase-PPPase PF03618 Family 360 1976 252.30 36 91.20 Changed Kinase/pyrophosphorylase
KinB_sensor PF16767 Family 9 39 119.00 30 20.27 Changed Sensor domain of alginate biosynthesis sensor protein KinB
KIND PF16474 Domain 20 426 134.20 29 20.16 Changed Kinase non-catalytic C-lobe domain
Kinesin PF00225 Domain 72 21549 295.30 32 33.42 Changed Kinesin motor domain
Kinesin_assoc PF16183 Family 13 1666 106.40 35 8.49 Changed Kinesin-associated
Kinetochor_Ybp2 PF08568 Family 28 755 422.30 14 78.85 Changed Uncharacterised protein family, YAP/Alf4/glomulin
Kinetocho_Slk19 PF12709 Family 19 245 68.30 46 9.07 Changed Central kinetochore-associated
Kinin PF08260 Family 3 0 0.00 0 0.00 Changed Insect kinin peptide
Kinocilin PF15033 Family 5 44 95.30 65 76.49 Changed Kinocilin protein
KIP1 PF07765 Family 43 906 68.80 51 7.41 Changed KIP1-like protein
Kisspeptin PF15152 Family 10 34 73.90 57 35.02 Changed Kisspeptin
KIX PF02172 Domain 5 450 78.40 61 4.34 Changed KIX domain
KIX_2 PF16987 Domain 71 653 76.70 28 10.23 Changed KIX domain
KKLCAg1 PF15204 Family 8 23 84.20 65 75.25 Changed Kita-kyushu lung cancer antigen 1
kleA_kleC PF17383 Family 5 13 73.80 45 81.90 New Uncharacterized KorC regulated protein A
KleE PF17394 Family 4 16 106.60 46 97.37 New Uncharacterized KleE stable inheritance protein
KLRAQ PF10205 Coiled-coil 14 256 100.50 40 14.87 Changed Predicted coiled-coil domain-containing protein
KMP11 PF03037 Family 2 19 87.90 84 82.60 Changed Kinetoplastid membrane protein 11
KNOX1 PF03790 Family 45 787 41.90 45 13.21 Changed KNOX1 domain
KNOX2 PF03791 Family 42 822 48.70 46 15.49 Changed KNOX2 domain
KNTase_C PF07827 Domain 6 36 126.10 32 51.28 Changed KNTase C-terminal domain
KN_motif PF12075 Motif 14 392 39.20 56 3.97 Changed KN motif
KOG2701 PF09762 Coiled-coil 42 271 170.30 46 30.64 Changed Coiled-coil domain-containing protein (DUF2037)
KORA PF16509 Domain 7 60 80.80 28 72.06 Changed TrfB plasmid transcriptional repressor
KorB PF08535 Domain 7 277 82.00 23 26.29 Changed KorB domain
KorB_C PF06613 Domain 8 24 58.30 50 14.87 Changed KorB C-terminal beta-barrel domain
KOW PF00467 Family 171 10009 34.00 31 17.01 Changed KOW motif
Kp4 PF09044 Domain 14 178 116.10 36 81.24 Changed Kp4
KR PF08659 Family 51 9173 173.40 31 8.65 Changed KR domain
KRAB PF01352 Family 584 10252 41.10 52 8.27 Changed KRAB box
KRAP_IP3R_bind PF14722 Family 21 270 137.40 45 16.89 Changed Ki-ras-induced actin-interacting protein-IP3R-interacting domain
KRBA1 PF15287 Repeat 27 245 41.40 34 20.89 Changed KRBA1 family repeat
KRE1 PF17056 Family 41 120 64.70 33 30.11 Changed Killer toxin-resistance protein 1
Kre28 PF17097 Family 6 20 358.10 28 97.94 Changed Spindle pole body component
KRE9 PF05390 Family 36 221 92.60 38 33.39 Changed Yeast cell wall synthesis protein KRE9/KNH1
Kri1 PF05178 Family 163 727 107.30 33 15.73 Changed KRI1-like family
Kri1_C PF12936 Family 136 759 89.90 37 13.36 Changed KRI1-like family C-terminal
Kringle PF00051 Domain 23 4100 77.50 39 19.49 Changed Kringle domain
KRTAP PF11759 Family 16 203 55.80 53 75.42 Changed Keratin-associated matrix
KRTAP7 PF15034 Family 3 22 83.00 80 92.41 Changed KRTAP type 7 family
KRTDAP PF15200 Family 8 42 74.70 67 54.96 Changed Keratinocyte differentiation-associated
KSHV_K1 PF11049 Domain 1 1 71.00 100 25.45 Changed Glycoprotein K1 of Kaposi's sarcoma-associated herpes virus
KSHV_K8 PF07188 Family 1 1 238.00 100 83.22 Changed Kaposi's sarcoma-associated herpesvirus (KSHV) K8 protein
KSR1-SAM PF13543 Domain 8 244 112.50 39 14.20 Changed SAM like domain present in kinase suppressor RAS 1
KTI12 PF08433 Domain 19 956 264.30 24 74.24 Changed Chromatin associated protein KTI12
KTSC PF13619 Domain 121 537 57.10 29 48.31 Changed KTSC domain
Ku PF02735 Domain 245 3147 193.90 21 38.95 Changed Ku70/Ku80 beta-barrel domain
Kunitz_BPTI PF00014 Domain 100 11819 53.30 35 20.00 Changed Kunitz/Bovine pancreatic trypsin inhibitor domain
Kunitz_legume PF00197 Domain 110 756 154.90 27 79.67 Changed Trypsin and protease inhibitor
Ku_C PF03730 Family 84 1014 91.20 23 13.52 Changed Ku70/Ku80 C-terminal arm
Ku_N PF03731 Domain 13 1466 207.00 17 30.49 Changed Ku70/Ku80 N-terminal alpha/beta domain
Ku_PK_bind PF08785 Domain 113 660 115.70 27 16.33 Changed Ku C terminal domain like
Kv2channel PF03521 Family 7 183 163.30 35 29.70 Changed Kv2 voltage-gated K+ channel
KxDL PF10241 Domain 81 595 83.20 30 46.36 Changed Uncharacterized conserved protein
K_channel_TID PF07941 Family 5 72 72.40 77 11.10 Changed Potassium channel Kv1.4 tandem inactivation domain
K_oxygenase PF13434 Family 41 1971 293.70 23 61.52 Changed L-lysine 6-monooxygenase (NADPH-requiring)
K_trans PF02705 Family 61 3752 475.90 36 76.67 Changed K+ potassium transporter
New Top twenty Numbers A B C D E F G H I J K L M N O P Q R S T U V W X Y Z