| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (2) | U2 snRNA | polymer | 193 | 61393.8 | 1 | | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 2 | B (5) | U5 snRNA | polymer | 116 | 36997.8 | 1 | | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 3 | C (6) | U6 snRNA | polymer | 101 | 32443.3 | 1 | GenBank (170940748) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 4 | D (A) | PRP8 | polymer | 2463 | 285131.0 | 1 | | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 5 | E (B) | Pre-mRNA-splicing factor SYF2 | polymer | 326 | 36945.9 | 1 | UniProt (G0S5N3) Pfam (PF08231) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | SYF2 |
| 6 | F (C) | SNU114 | polymer | 1011 | 113867.6 | 1 | Pfam (PF03764) Pfam (PF00679) Pfam (PF16004) Pfam (PF00009) Pfam (PF03144) UniProt (by SIFTS) (G0SBV2) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 7 | G (E) | Anaphase-promoting complex subunit 4-like WD40 domain-containing protein | polymer | 352 | 38230.0 | 1 | UniProt (G0S9U7) Pfam (PF00400) Pfam (PF12894) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | U5-40K |
| 8 | H (F) | CCDC12 | polymer | 233 | 25360.0 | 1 | UniProt (G0SDJ6) Pfam (PF08315) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 9 | I (I) | Putative pre-mRNA splicing protein | polymer | 839 | 97944.2 | 1 | UniProt (G0S620) Pfam (PF23233) Pfam (PF23220) Pfam (PF23231) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | SYF1 |
| 10 | J (J) | Suppressor of forked domain-containing protein | polymer | 687 | 82195.4 | 1 | UniProt (G0S0H7) Pfam (PF23233) Pfam (PF23240) Pfam (PF23231) Pfam (PF23241) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | SYF3 |
| 11 | K (L) | Putative pre-mRNA splicing protein | polymer | 768 | 86636.2 | 1 | UniProt (G0S8A6) Pfam (PF13921) Pfam (PF11831) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | CDC5L |
| 12 | L (K) | Pre-mRNA-splicing factor SPF27 | polymer | 231 | 25550.7 | 1 | UniProt (G0SDM8) Pfam (PF05700) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | SPF27 |
| 13 | M, N, O, P (q, t, r, s) | Pre-mRNA-processing factor 19 | polymer | 480 | 51844.3 | 4 | UniProt (G0SFY0) Pfam (PF08606) Pfam (PF00400) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | PRP19 |
| 14 | Q (N) | Putative bud site selection protein | polymer | 148 | 17176.8 | 1 | UniProt (G0S4Q2) Pfam (PF01125) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | BUD31 |
| 15 | R (S) | Peptidyl-prolyl cis-trans isomerase | polymer | 167 | 18361.8 | 1 | UniProt (G0S1V3) Pfam (PF00160) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | PPIL1,PPIase |
| 16 | S (T) | Pre-mRNA-splicing factor PRP46 | polymer | 496 | 54207.3 | 1 | UniProt (G0S066) Pfam (PF00400) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | PLRG1,Pre-mRNA-processing protein 46 |
| 17 | T (M) | Putative pre-mRNA splicing protein | polymer | 395 | 42241.8 | 1 | UniProt (G0RYD8) Pfam (PF21369) Pfam (PF00076) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | ECM2 |
| 18 | U (0) | Putative pre-mRNA splicing protein | polymer | 408 | 45885.2 | 1 | UniProt (G0S7S7) Pfam (PF16131) Pfam (PF00076) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | CWC2 |
| 19 | V (R) | Pre-mRNA-processing protein 45 | polymer | 578 | 65034.6 | 1 | UniProt (G0SF87) Pfam (PF02731) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | SKIP |
| 20 | W (W) | PRP17 | polymer | 547 | 61222.0 | 1 | UniProt (G0S2N1) Pfam (PF00400) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 21 | X (P) | Putative pre-mRNA splicing protein | polymer | 260 | 28956.6 | 1 | UniProt (G0S754) Pfam (PF04889) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | CWC15 |
| 22 | Y (Y) | Pre-mRNA-splicing factor | polymer | 1416 | 161045.5 | 1 | UniProt (G0SFN9) Pfam (PF16399) Pfam (PF21143) Pfam (PF21144) Pfam (PF13086) Pfam (PF13087) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | AQR |
| 23 | Z (1) | GPATCH1 | polymer | 698 | 75861.0 | 1 | Pfam (PF07713) Pfam (PF01585) Pfam (PF26093) UniProt (by SIFTS) (G0SA63) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 24 | AA (z) | RNA helicase | polymer | 672 | 74989.8 | 1 | UniProt (G0RZD6) Pfam (PF00270) Pfam (PF00271) Pfam (PF04408) Pfam (PF21010) Pfam (PF07717) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | DHX35 |
| 25 | BA (j) | Small nuclear ribonucleoprotein E | polymer | 98 | 10967.8 | 1 | UniProt (G0S8J0) Pfam (PF01423) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | smE,snRNP-E,Sm protein E |
| 26 | CA (k) | Small nuclear ribonucleoprotein G | polymer | 82 | 9259.8 | 1 | UniProt (G0SI53) Pfam (PF01423) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | smG,snRNP-G |
| 27 | DA (l) | Sm protein F | polymer | 94 | 10727.2 | 1 | UniProt (G0RY82) Pfam (PF01423) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | smF |
| 28 | EA (m) | Delta(14)-sterol reductase | polymer | 592 | 66785.5 | 1 | UniProt (G0S405) Pfam (PF01222) Pfam (PF01423) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | smD2,C-14 sterol reductase,Sterol C14-reductase |
| 29 | FA (o) | Small nuclear ribonucleoprotein Sm D1 | polymer | 118 | 13033.1 | 1 | UniProt (G0RZL0) Pfam (PF01423) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | smD1,snRNP core protein D1 |
| 30 | GA (p) | Sm protein B | polymer | 211 | 21425.5 | 1 | UniProt (G0SHQ3) Pfam (PF01423) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | smB/B' |
| 31 | HA (u) | Small nuclear ribonucleoprotein Sm D3 | polymer | 114 | 12708.7 | 1 | UniProt (G0SG70) Pfam (PF01423) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | smD3,Sm-D3,snRNP core protein D3 |
| 32 | IA (V) | Putative pre-mRNA splicing protein | polymer | 223 | 26329.3 | 1 | UniProt (G0S4I7) Pfam (PF08312) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | SRRM2 |
| 33 | JA (Z) | Putative pre-mRNA splicing protein | polymer | 678 | 76518.1 | 1 | UniProt (G0S5W9) Pfam (PF02854) Pfam (PF02847) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | CWC22 |
| 34 | KA (CY) | Nineteen complex-related protein 2-domain-containing protein | polymer | 510 | 56472.4 | 1 | UniProt (G0SI54) Pfam (PF15458) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | GCFC2 |
| 35 | LA (Ck) | GCFC2 | polymer | 66 | 5634.9 | 1 | | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 36 | MA (Cb) | TFIP11 | polymer | 700 | 59591.4 | 1 | | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 37 | NA (8) | Unknown mRNA | polymer | 25 | 7235.6 | 1 | | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | |
| 38 | OA (CV) | Putative pre-mRNA splicing protein | polymer | 246 | 28377.0 | 1 | UniProt (G0RZZ0) Pfam (PF06246) | Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (Thermochaetoides thermophila) | ISY1,G0RZZ0 |
| 39 | PA (B) | N,N,7-trimethylguanosine 5'-(trihydrogen diphosphate) | non-polymer | | 487.3 | 1 | Chemie (M7M) | | |
| 40 | QA (C) | MAGNESIUM ION | non-polymer | | 24.3 | 1 | Chemie (MG) | | |
| 41 | RA (C) | GUANOSINE-5'-TRIPHOSPHATE | non-polymer | | 523.2 | 1 | Chemie (GTP) | | |
| 42 | SA, TA, UA, VA (N, M) | ZINC ION | non-polymer | | 65.4 | 4 | Chemie (ZN) | | |