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9UBW

The atomic coordinates of the mouse CatSper dimer

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, O
(A, a)
Cation channel sperm-associated protein 1polymer25129080.72UniProt (Q91ZR5)
Pfam (PF00520)
Mus musculus (house mouse)CatSper1
2B, P
(B, b)
Cation channel sperm-associated protein 2polymer28133115.52UniProt (A2ARP9)
Pfam (PF00520)
Mus musculus (house mouse)CatSper2
3C, Q
(C, c)
Cation channel sperm-associated protein 3polymer27832308.92UniProt (Q80W99)
Pfam (PF00520)
Mus musculus (house mouse)CatSper3
4D, R
(D, d)
Cation channel sperm-associated protein 4polymer25028880.42UniProt (Q8BVN3)
Pfam (PF00520)
Mus musculus (house mouse)CatSper4
5E, S
(E, e)
Cation channel sperm-associated auxiliary subunit betapolymer1065121580.62UniProt (A2RTF1)
Pfam (PF21541)
Pfam (PF21548)
Pfam (PF22830)
Pfam (PF22831)
Pfam (PF15149)
Mus musculus (house mouse)CatSper-beta
6F, T
(F, f)
Cation channel sperm-associated auxiliary subunit gamma 2polymer1042119864.42UniProt (C6KI89)
Pfam (PF22840)
Pfam (PF15064)
Pfam (PF22851)
Pfam (PF22846)
Mus musculus (house mouse)
7G, U
(G, g)
Cation channel sperm-associated auxiliary subunit deltapolymer73382834.32UniProt (E9Q9F6)
Pfam (PF15020)
Pfam (PF23747)
Pfam (PF22850)
Mus musculus (house mouse)CatSper-delta,CatSperdelta,Transmembrane protein 146
8H, V
(H, h)
Cation channel sperm-associated auxiliary subunit epsilonpolymer921107004.02UniProt (P0DP43)
Pfam (PF22841)
Pfam (PF22843)
Pfam (PF22844)
Pfam (PF22849)
Pfam (PF22850)
Mus musculus (house mouse)CatSper-epsilon,CatSperepsilon,C1orf101-like protein
9I, W
(I, i)
EF-hand calcium-binding domain-containing protein 9polymer17420942.32UniProt (Q9DAM2)Mus musculus (house mouse)
10J, X
(J, j)
Cation channel sperm-associated auxiliary subunit TMEM249polymer16819898.62UniProt (A0A2R8VHF7)
Pfam (PF15158)
Mus musculus (house mouse)Transmembrane protein 249
11K, Y
(K, k)
Cation channel sperm-associated auxiliary subunit zetapolymer14917504.62UniProt (Q9CQP8)Mus musculus (house mouse)CatSper-zeta,CatSperzeta,Protein expressed in male leptotene and zygotene spermatocytes 622,MLZ-622,Testis-expressed protein 40
12L, Z
(L, l)
Solute carrier organic anion transporter family member 6C1polymer61068349.72UniProt (Q8C0X7)
Pfam (PF03137)
Pfam (PF07648)
Mus musculus (house mouse)
13AA, M
(M, m)
Cation channel sperm-associated auxiliary subunit TMEM262polymer11513350.92UniProt (D3Z338)Mus musculus (house mouse)Cation channel sperm-associated auxiliary subunit eta,Transmembrane protein 262
14BA, N
(N, n)
Unknown proteinpolymer282401.02Mus musculus
15CA, MA
(O, Y)
beta-D-mannopyranose-(1-2)-beta-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched1235.12In PDB
GlyTouCan (G01504UZ)
16DA, EA, GA, HA, IA...
(P, Q, S, T, U...)
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched586.510In PDB
GlyTouCan (G15407YE)
17FA, KA, PA, UA
(R, W, p, u)
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched424.44In PDB
GlyTouCan (G42666HT)
18JA, TA
(V, t)
beta-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-6)-[beta-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched1235.12In PDB
GlyTouCan (G42553TN)
19LA, VA
(X, v)
beta-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched910.82In PDB
GlyTouCan (G89225LT)
20AB, BB, CB, DB, EB...
(E, F, G, e, f...)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.218Chemie (NAG)
21FB, PB
(M, m)
CHOLESTEROLnon-polymer386.72Chemie (CLR)
Sequence modifications
J, j: 24 - 168 (UniProt: A0A2R8VHF7)
PDBExternal DatabaseDetails
Met 1-initiating methionine
Cys 2-expression tag
Trp 3-expression tag
Val 4-expression tag
Met 5-expression tag
Pro 6-expression tag
Pro 7-expression tag
Ser 8-expression tag
Val 9-expression tag
Phe 10-expression tag
Val 11-expression tag
Leu 12-expression tag
Glu 13-expression tag
Tyr 14-expression tag
Tyr 15-expression tag
Leu 16-expression tag
Asp 17-expression tag
Thr 18-expression tag
Leu 19-expression tag
Trp 20-expression tag
Lys 21-expression tag
Gly 22-expression tag
Thr 23-expression tag
L, l: 81 - 690 (UniProt: Q8C0X7)
PDBExternal DatabaseDetails
Gly 224Ala 224engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains28
Total formula weight1394231.4
BranchedNumber of molecules20
Total formula weight14325.1
Non-Polymers*Number of molecules20
Total formula weight4755.1
All*Total formula weight1413311.6
*Water molecules are not included.

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PDB entries from 2026-02-11

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