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5K31

Crystal structure of Human fibrillar procollagen type I C-propeptide Homo-trimer

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E...
(A, B, C, D, E...)
Collagen alpha-1(I) chainpolymer25528687.96UniProt (P02452)
Pfam (PF01410)
Homo sapiens (Human)Alpha-1 type I collagen
2G, I, O, P, R...
(A, B, C, D, E...)
CALCIUM IONnon-polymer40.16Chemie (CA)
3H, K, L, M, S
(A, B, E)
GLYCEROLnon-polymer92.15Chemie (GOL)
4J, N, Q
(B, D)
CHLORIDE IONnon-polymer35.53Chemie (CL)
5U, V, W, X, Y...
(A, B, C, D, E...)
waterwater18.0420Chemie (HOH)
Sequence modifications
A, B, C, D, E, F: 1 - 246 (UniProt: P02452)
PDBExternal DatabaseDetails
Glu -8-expression tag
Thr -7-expression tag
Gly -6-expression tag
His -5-expression tag
His -4-expression tag
His -3-expression tag
His -2-expression tag
His -1-expression tag
His 0-expression tag
Gln 147Asn 1365engineered mutation
Ser 216Thr 1434variant
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight172127.7
Non-Polymers*Number of molecules14
Total formula weight807.3
All*Total formula weight172935.0
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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