T=4 icosahedral capsid protein (kw:KW-1144)


image The capsid is composed 60 asymmetric units made of 4 proteins (T=4), for a total of 240 capsid proteins.



image

Icosahedric triangulation number is calculated following Caspar and Klug system

Viral molecular biology Virion
Virus entry
Virus latency
Transcription and replication
Host-virus interactions
Virus exit
Icosahedric capsids Virus symmetry and T number
T=1
T=2*
T=3
Pseudo T=3
T=4
T=7
T=9
T=13
T=16
T=21/pseudo T=21
T=25/pseudo T=25
T=27/pseudo T=27
T=28
T=31/pseudo T=31
T=75 bacterial carboxysome
T=169
Links image
Uniprot Keyword: KW-1144
GO ontology: GO:0039619
Virus ssRNA+
Tetraviridae
Togaviridae
dsDNA(RT)
Hepadnaviridae

Matching UniProtKB/Swiss-Prot entries

(all links/actions below point to uniprot.org website)

101 entries grouped by strain

2 entries

Chikungunya virus (strain S27-African prototype) (CHIKV) reference strain

Select_allDeselect_all
POLSF_CHIKS Frameshifted structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat ...

pdb 5H23

POLS_CHIKS Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 2RSW; 7CVY; 7CVZ; 7CW0; 7CW2; 7CW3

1 entry

Semliki forest virus (SFV) reference strain

POLS_SFV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 1DYL; 1I9W; 1RER; 1VCP; 1VCQ; 2ALA; 2V33; 8D87; 8IHP

2 entries

Sindbis virus (SINV) reference strain

Select_allDeselect_all
POLS_SINDV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 1KXA; 1KXB; 1KXC; 1KXD; 1KXE; 1KXF; 1LD4; 1SVP; 1Z8Y; 2SNV; 2SNW; 3J0F; 3MUU; 3MUW

POLSF_SINDV Frameshifted structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat ...

1 entry

Duck hepatitis B virus (isolate Shanghai/DHBVQCA34) (DHBV) reference strain

CAPSD_DHBVQ Capsid protein (Core antigen) (Core protein) (HBcAg)

1 entry

Helicoverpa armigera stunt virus (HaSV) reference strain

CAPSD_HASV Capsid protein (CP) (Coat protein) [Cleaved into: 64 kDa capsid protein; 7 kDa capsid protein]

pdb 3S6P

1 entry

Hepatitis B virus genotype C subtype ayr (isolate Human/Japan/Okamoto/-) (HBV-C) reference strain

CAPSD_HBVCJ Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

pdb 5E00; 7ABL

1 entry

Hepatitis B virus genotype D subtype ayw (isolate France/Tiollais/1979) (HBV-D) reference strain

CAPSD_HBVD3 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

pdb 6HTX; 6HU4; 6HU7; 7OCO; 7OCW; 7OD4; 7OD6; 7OD7; 7OD8; 7OEN; 7OEV; 7OEW; 7PZ9; 7PZI; 7PZK; 7PZL; 7PZM; 7PZN

1 entry

Nudaurelia capensis beta virus (isolate Pine emperor moth/South Africa) (NbetaV) reference strain

CAPSD_NCBVS Capsid protein (CP) (Coat protein) [Cleaved into: Large capsid protein; Small capsid protein]

1 entry

Rubella virus (strain Therien) (RUBV) reference strain

POLS_RUBVT Structural polyprotein (p110) [Cleaved into: Capsid protein (Coat protein) (C); Spike glycoprotein ...

pdb 5KHE; 5KHF

1 entry

Woodchuck hepatitis B virus (isolate 8) (WHV) reference strain

CAPSD_WHV5 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Semliki forest virus (SFV)

POLSF_SFV Frameshifted structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat ...

1 entry

Arctic squirrel hepatitis virus (ASHV)

CAPSD_ASHV Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Aura virus (AURAV)

POLS_AURAV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 4AGJ; 4AGK; 4UON; 5G4B

1 entry

Barmah forest virus (BFV)

POLS_BFV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 2YEW

1 entry

Chikungunya virus (strain 37997) (CHIKV)

POLS_CHIK3 Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 3J2W; 5VU2; 6NK5; 6NK6; 8DWW; 8DWX; 8DWY; 8EWF

1 entry

Chikungunya virus (strain Nagpur) (CHIKV)

POLS_CHIKN Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Chimpanzee hepatitis B virus (isolate United Kingdom/LSH/1988) (HBVcpz)

CAPSD_HBVCP Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

pdb 1HHH

1 entry

Duck hepatitis B virus (isolate brown Shanghai duck S5) (DHBV)

CAPSD_HPBDB Capsid protein (Core antigen) (Core protein) (HBcAg)

1 entry

Duck hepatitis B virus (isolate white Shanghai duck S31) (DHBV)

CAPSD_HPBDW Capsid protein (Core antigen) (Core protein) (HBcAg)

1 entry

Duck hepatitis B virus (strain China) (DHBV)

CAPSD_HPBDC Capsid protein (Core antigen) (Core protein) (HBcAg)

1 entry

Duck hepatitis B virus (strain Germany/DHBV-3) (DHBV)

CAPSD_DHBV3 Capsid protein (Core antigen) (Core protein) (HBcAg)

1 entry

Duck hepatitis B virus (strain United States/DHBV-16) (DHBV)

CAPSD_DHBV1 Capsid protein (Core antigen) (Core protein) (HBcAg)

pdb 6YGH; 6YGI

1 entry

Eastern equine encephalitis virus (EEEV) (Eastern equine encephalomyelitis virus)

POLS_EEEV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Eastern equine encephalitis virus (strain Florida 91-469) (EEEV) (Eastern equine encephalomyelitis virus)

POLS_EEEVF Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 6MW9; 6MWC; 6MWV; 6MWX; 6MX4; 6ODF; 6XO4; 6XOB; 7N69; 7N6A; 7V0N; 7V0O; 7V0P

1 entry

Eastern equine encephalitis virus (strain PE-0.0155) (EEEV) (Eastern equine encephalomyelitis virus)

POLS_EEEV1 Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Eastern equine encephalitis virus (strain PE-3.0815) (EEEV) (Eastern equine encephalomyelitis virus)

POLS_EEEV8 Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Eastern equine encephalitis virus (strain va33[ten broeck]) (EEEV) (Eastern equine encephalomyelitis virus)

POLS_EEEV3 Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 6MX4; 6MX7

1 entry

Getah virus (GETV)

POLS_GETV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 7FD2; 7V4T; 7VGA; 7WC2; 7WCO

1 entry

Gibbon hepatitis B virus subtype ayw3q (isolate Hope) (HBVgbn)

CAPSD_HBVGB Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Gorilla hepatitis B virus (isolate Cameroon/gor97) (HBVgor)

CAPSD_HBVGO Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Ground squirrel hepatitis virus (strain 27) (GSHV)

CAPSD_GSHV Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype A1 subtype adw (isolate Philippines/pFDW294/1988) (HBV-A)

CAPSD_HBVA5 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype A1 subtype adw2 (isolate South Africa/84/2001) (HBV-A)

CAPSD_HBVA6 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype A2 (isolate Japan/11D11HCCW/1998) (HBV-A)

CAPSD_HBVA7 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype A2 subtype adw (isolate Japan/Nishioka/1983) (HBV-A)

CAPSD_HBVA2 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

pdb 3J2V; 6UI6; 6UI7

1 entry

Hepatitis B virus genotype A2 subtype adw2 (isolate Germany/991/1990) (HBV-A)

CAPSD_HBVA4 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype A2 subtype adw2 (strain Rutter 1979) (HBV-A)

CAPSD_HBVA3 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype A3 (isolate Cameroon/CMR711/1994) (HBV-A)

CAPSD_HBVA9 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype A3 (isolate Cameroon/CMR983/1994) (HBV-A)

CAPSD_HBVA8 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype B/C subtype adw (isolate Okinawa/pODW282/1998) (HBV-B)

CAPSD_HBVB4 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype B1 (isolate Japan/Ry30/2002) (HBV-B)

CAPSD_HBVB8 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype B1 (isolate Japan/Yamagata-2/1998) (HBV-B)

CAPSD_HBVB7 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype B1 subtype adw (isolate Japan/pJDW233/1988) (HBV-B)

CAPSD_HBVB1 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype B2 (isolate Indonesia/pIDW420/1988) (HBV-B)

CAPSD_HBVB2 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype B2 (isolate Vietnam/9873/1997) (HBV-B)

CAPSD_HBVB3 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype B2 subtype adw (isolate China/patient4/1996) (HBV-B)

CAPSD_HBVB6 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype C (isolate Vietnam/3270/2000) (HBV-C)

CAPSD_HBVC0 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype C subtype ad (isolate Japan/S-179/1988) (HBV-C)

CAPSD_HBVC5 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype C subtype adr (isolate Japan/A4/1994) (HBV-C)

CAPSD_HBVC8 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype C subtype adr (isolate Japan/Nishioka/1983) (HBV-C)

CAPSD_HBVC1 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype C subtype adr (isolate Korea/Kim/1989) (HBV-C)

CAPSD_HBVC4 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype C subtype adr (strain Japan/adr4/1983) (HBV-C)

CAPSD_HBVC3 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype C subtype ar (isolate Japan/S-207/1988) (HBV-C)

CAPSD_HBVC2 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype C subtype ayw (isolate Australia/AustRC/1992) (HBV-C)

CAPSD_HBVC9 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype C subtype ayw (isolate China/Tibet127/2002) (HBV-C)

CAPSD_HBVC7 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype D (isolate France/alpha1/1989) (HBV-D)

CAPSD_HBVD2 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype D (isolate Germany/1-91/1991) (HBV-D)

CAPSD_HBVD7 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype D subtype adw (isolate United Kingdom/adyw/1979) (HBV-D)

CAPSD_HBVD1 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

pdb 2G33; 2G34; 2QIJ; 3KXS; 4BMG; 4G93; 5D7Y; 5E0I; 5GMZ; 5WTW; 6BVF; 6BVN; 6CWD; 6CWT; 6J10; 6VZP; 6W0K; 6WFS; 7K5M; 7S76; 7UMI; 8GBU; 8I71; 8KHU

1 entry

Hepatitis B virus genotype D subtype ayw (isolate Australia/AustKW/1991) (HBV-D)

CAPSD_HBVD5 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype D subtype ayw (isolate Italy/CI/1992) (HBV-D)

CAPSD_HBVD6 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype D subtype ayw (isolate Japan/JYW796/1988) (HBV-D)

CAPSD_HBVD4 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype F2 (isolate Brazil/w4B) (HBV-F)

CAPSD_HBVF1 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype F2 subtype adw4q (isolate Senegal/9203) (HBV-F)

CAPSD_HBVF6 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype G (isolate IG29227/2000) (HBV-G)

CAPSD_HBVG3 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype G (isolate United States/USG17/2002) (HBV-G)

CAPSD_HBVG2 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype G subtype adw2 (isolate United States/sf/1990) (HBV-G)

CAPSD_HBVG1 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Hepatitis B virus genotype H subtype adw4 (isolate Nicaragua/2928Nic/1997) (HBV-H)

CAPSD_HBVH3 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Heron hepatitis B virus (HHBV)

CAPSD_HHBV Capsid protein (Core antigen) (Core protein) (HBcAg)

1 entry

Mayaro virus (strain Brazil) (MAYV)

POLS_MAYAB Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 6W1C; 6W2U; 7LIH

1 entry

Middelburg virus

POLS_MIDDV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

O'nyong-nyong virus (strain Gulu) (ONNV)

POLS_ONNVG Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 8P61

1 entry

O'nyong-nyong virus (strain Igbo Ora) (ONNV) (Igbo Ora virus)

POLS_ONNVI Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

O'nyong-nyong virus (strain SG650) (ONNV)

POLS_ONNVS Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Ross river virus (strain NB5092) (RRV)

POLS_RRVN Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Ross river virus (strain T48) (RRV)

POLS_RRVT Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 6VYV

1 entry

Rubella virus (strain BRD1) (RUBV)

POLS_RUBVB Structural polyprotein (p110) [Cleaved into: Capsid protein (Coat protein) (C); Spike glycoprotein ...

1 entry

Rubella virus (strain BRDII) (RUBV)

POLS_RUBVC Structural polyprotein (p110) [Cleaved into: Capsid protein (Coat protein) (C); Spike glycoprotein ...

1 entry

Rubella virus (strain Cendehill) (RUBV)

POLS_RUBVD Structural polyprotein (p110) [Cleaved into: Capsid protein (Coat protein) (C); Spike glycoprotein ...

1 entry

Rubella virus (strain M33) (RUBV)

POLS_RUBVM Structural polyprotein (p110) [Cleaved into: Capsid protein (Coat protein) (C); Spike glycoprotein ...

pdb 4ADG; 4ADI; 4ADJ; 4B3V; 4HAR; 4HBE; 4HBO; 5KHC

1 entry

Rubella virus (strain RA27/3 vaccine) (RUBV)

POLS_RUBVR Structural polyprotein (p110) [Cleaved into: Capsid protein (Coat protein) (C); Spike glycoprotein ...

1 entry

Rubella virus (strain RN-UK86) (RUBV)

POLS_RUBVN Structural polyprotein (p110) [Cleaved into: Capsid protein (Coat protein) (C); Spike glycoprotein ...

1 entry

Rubella virus (strain TO-336 vaccine) (RUBV)

POLS_RUBVO Structural polyprotein (p110) [Cleaved into: Capsid protein (Coat protein) (C); Spike glycoprotein ...

1 entry

Rubella virus (strain TO-336) (RUBV)

POLS_RUBVV Structural polyprotein (p110) [Cleaved into: Capsid protein (Coat protein) (C); Spike glycoprotein ...

1 entry

Sagiyama virus (SAGV)

POLS_SAGV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Salmon pancreas disease virus (SPDV)

POLS_SPDV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Sindbis virus subtype Ockelbo (strain Edsbyn 82-5) (OCKV) (Ockelbo virus)

POLS_SINDO Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 1WYK

1 entry

Sleeping disease virus (SDV)

POLS_SLDV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Venezuelan equine encephalitis virus (strain 3880) (VEEV)

POLS_EEVV3 Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Venezuelan equine encephalitis virus (strain Everglades Fe3-7c) (VEEV)

POLS_EEVVE Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Venezuelan equine encephalitis virus (strain Mena II) (VEEV)

POLS_EEVVM Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Venezuelan equine encephalitis virus (strain P676) (VEEV)

POLS_EEVVP Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

1 entry

Venezuelan equine encephalitis virus (strain TC-83) (VEEV)

POLS_EEVV8 Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 1EP5; 1EP6; 3J0C; 3J0G; 7SFU; 7SFV; 7SFW; 8DEQ; 8DER; 8EEU; 8EEV

1 entry

Venezuelan equine encephalitis virus (strain Trinidad donkey) (VEEV)

POLS_EEVVT Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 3VE6

1 entry

Western equine encephalitis virus (WEEV)

POLS_WEEV Structural polyprotein (p130) [Cleaved into: Capsid protein (EC 3.4.21.90) (Coat protein) (C); ...

pdb 8DEC; 8DED; 8DEE; 8DEF; 8SQN

1 entry

Woodchuck hepatitis B virus (isolate 1) (WHV)

CAPSD_WHV1 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Woodchuck hepatitis B virus (isolate 2) (WHV)

CAPSD_WHV2 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Woodchuck hepatitis B virus (isolate 59) (WHV)

CAPSD_WHV3 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Woodchuck hepatitis B virus (isolate 7) (WHV)

CAPSD_WHV4 Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)

1 entry

Woolly monkey hepatitis B virus (isolate Louisville) (WMHBV)

CAPSD_WMHBV Capsid protein (Core antigen) (Core protein) (HBcAg) (p21.5)