Two-fold axis of EF-lobe

tnc

1A2X-c

1A2X-n

1AP4-n

1AVS-n

1BLQ-n

1FI5-c

1J1D-c

1J1D-n

1LA0-c

1LA0-n

1MXL-c

1OZS-c

1R2U-n

1R6P-n

1SKT-n

1SPY-n

1TNP-n

1TNQ-n

1TOP-c

1TOP-n

1TRF-n

1ZAC-n

3CTN-c

4TNC-c

4TNC-n

5TNC-c

5TNC-n