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. 2010 Jul 4;67(20):3467–3488. doi: 10.1007/s00018-010-0437-0

Table 2.

The expressed forms of the human cyclophilins and some of their biological functions

No. Protein name (alias) Code PDB Chromosome/gene Naa Mass (Da) Entire protein CLD Extra-
domain
B_Pra Cellular localization and
biological functionsb
Reference
pI HI CLD-length pI; HI
1 CyP18a (hCyPA) NP_066953 2CPL 7p13-p11.2/PPIA 165 18013 7.8 37.6 Full St (C/S) Immunosuppression [14, 1115]
Cell-related events [66, 67]
HIV-1 replication [68, 69]
HCV replication [70, 71]
2 CyP18b* NP_839944 1q21.1/PPIAL4G 164 18182 9.6 34.1 Full Un (N) Oncogene [72]
3 CyP18c (hCyPJ) NP_115861 1XYH 2q33.1/PPIL3a 165 18627 6.6 27.3 Full Un (N) Spliceosome [73]
4 CyP18ci NP_570981 2q33.1/PPIL3b 161 18155 6.3 27.3 Full Un (N) Spliceosome [73]
5 CyP18d (CGI-124) NP_057143 1XWN 6p21.1/PPIL1 166 18237 8.2 33.7 Full Un (N) Spliceosome, cancer growth [73, 74]
6 CyP22b/p (hCyPB) NP_000933 1CYN 15q21-q22/PPIB 208 22742 9.8 42.3 26-208 9.7; 38.3 St (ER/S) Protein folding [5]
TPRV6 channel-associated [75]
7 CyP22C/p (hCyPC) NP_000934 2RMC (Mm) 5q23.2/PPIC 212 22763 8.7 52.8 28-208 9.4; 48.1 St (Memb) Unknown [76]
8 CyP22D/p (hCyPF) NP_005720 2BIT,2Z6 W 10q22-q23/PPIF 207 22040 9.8 39.1 36-207 9.3; 35.8 St (Mito) Mitochondrial pore [77]
Mitochondria/Muscular dystrophy [78]
Hexokinase II/apoptosis [79]
Mitochondrial function [80]
9 CyP19 (hCyPH) NP_006338 1MZW,1Q0I 1p34.1/PPIH 177 19208 8.1 44.1 Full St (N) Spliceosome [73]
Pre-RNA splicing [81]
10 CyP33 (hCyPE) NP_006103 1ZCX,1ZMF 1q32/PPIE 301 33431 5.3 33.2 130-301 8.4; 32.0 RRM St (N) RNA-binding/spliceosome [82]
11 CyP35 (hCyP35) NP_775943 6q21/PPIL6 311 35228 6.6 35.0 140-311 7.6; 35.5 RRM Un (N) Organism growth [83]
12 CyP40 (hCyPD) NP_005029 1IIP (Bt) 4q31.3/PPID 370 40764 6.8 31.6 6-192 6.8; 38.0 TPR Wk (C) HSP-steroid receptor [84]
13 CyP46 NP_689542 14q21.1/PPIL5 414 46723 9.3 48.3 90-360 9.2; 43.5 LRR Un (C/N) Signal transduction [85]
14 CyP54 NP_005860 5q12.3/SDCCAG10 472 53847 5.5 16.3 1-180 5.6; 31.7 WD40 Un (N) Cancer marker/spliceosome [86]
15 CyP57 NP_624311 6q24-q25/PPIL4 492 57225 5.6 20.9 1-165 5.0; 33.9 RRM Un (N) Spliceosome [87]
16 CyP58 (hCyP60) NP_680480 1ZKC 22q11.21/PPIL2 520 58824 9.0 22.5 271-446 8.6; 22.7 RING St (N) Spliceosome [73]
17 CyP73 NP_056157 2A2 N 5q12.3/PPWD1 645 73444 6.7 32.7 476-645 6.8; 30.0 WD40 Un (N) Spliceosome [73]
18 CyP88 (hCyPG) NP_004783 2GW2 2q31.1/PPIG 754 88618 10.7 8.5 1-184 8.4; 34.8 SR St (N) Spliceosome [88]
19 CyP157 NP_005376 2HE9 3p23-p11/NKTR 1403 157712 10.3 13.3 51-238 8.3; 37.2 SR St (N) Spliceosome [89]
20 CyP358 NP_006258 2q11-q13/RANBP2 3224 358221 5.8 25.7 3024-3224 6.7; 35.9 Nup Un (N) Nucleoporin [90, 91]

aOverall binding capacity of the cyclophilins: strong (St) for Kd or Ki ≤ 50 nM, weak (Wk) for these two values larger than 400 nM, and unknown (Un) if no experimental value was established

bKnown cellular localizations: N nuclear, C cytoplasmic, S secreted form, Memb membrane associated, Mito mitochondrial protein